find W solve c=w squared X cubed/24t squared

c = (w^2)(x^3)/(24t^2)

multiply by 24t^2
24ct^2 = (w^2)(x^3)
divide by x^3
(24ct^2)/x^3 = (w^2)
take √ of whole mess

w = ± √[(24ct^2)/x^3]