If $$\frac{2160}{√x}=240$$​ then the value of x is:

Correct option is C

SOLUTION:
Multiply both sides by √x
​$$\frac{2160}{√x}× √x= 240 √x$$​​
Simplifying ;
2160 = 240 × √x
Switch sides, 

​$$240 × √(x ) = 2160$$​​

√(x ) = 9
Square both sides :
x = 81