Question

find the mean proportional 10and153760

Answer 1

Your answer is here

Let

10:x::x:153760

$\frac{10}{x } = \frac{x}{153760 } \\ \\ x \times x = 153760 \times 10 \\ \\ {x}^{2} = 1537600 \\ \\ x = \sqrt{1537600 } \\ \\ x = 1240$

I hope it will help you