"in your midst" is correct and usable in written English.
You might use it when referring to someone who is in your presence, for example: "We are fortunate to have an experienced leader in your midst."
You've got a rough intruder in your midst.
Enterprise-size soccer stadium dropped in your midst.
The Tutsis in your midst are spies and collaborators.
If you really love America, turn over the terrorist sympathizers in your midst".
"I eagerly look forward to continuing my recovery in your midst".
But that is the price of having farms in your midst.
You've got a lot of writers and artists in your midst.
Referring to stories of federal soldiers who warmly greeted fugitives in the wartime South, Saulsbury wryly suggested that colonizing free blacks in New England and elsewhere would allow free staters to embrace them "in your own midst".
But when you're a patient in your, in the midst of all this, really you don't really give a damn.
You will get blocked while playing a hot game or while in your home, in the midst of your sin or your good deeds, with or without your pet, in any part of the world, etc. for even the slightest mention of a swear word!
Sometimes, you may reach your decision in the midst of your research.
