Game of Median

Piyush has an array $A$ of length $N$ consisting of positive integers where, $N$ is an odd number. He loves number $M$ and wants to make the median of the array equal to it. Also, he has number $K$ with him and can only do the following operation any number of time with it: - Choose any integer between 1 and $N$ and multiply the $i-$th element, $A_i$ with $K$. Piyush wants your help to determine