ANSWER
[tex] \pm185[/tex]
EXPLANATION
Let the missing term be x.
Then the sequence becomes,
[tex]37,x,925[/tex]
[tex] \frac{x}{37} = \frac{925}{x} [/tex]
Cross multiply to get,
[tex] {x}^{2} = 34225[/tex]
Take square root of both sides,
[tex]x = \pm \sqrt{34225} [/tex]
[tex]x = \pm185[/tex]