Question

what is mean proporntional of 4 and 25​

Answer 1

${x}^{2} = 4 \times 25$

$\therefore {x}^{2} = 100$

$\therefore \: x = 10$

Answer 2

Mark as brilliant the answer of @MissDeviLQue3n

${x}^{2} = 4 \times 25$

$\therefore {x}^{2} = 100$

$\therefore x=10$