If $a, b, c$ are continued proportional, $b$ is the—

Question

Accepted Answer

geometric mean of $a$ and $c$

Answer

arithmetic mean of $a$ and $c$

Answer

harmonic mean of $a$ and $c$

Answer

half of the sum of $a$ and $c$

If a,b,ca, b, ca,b,c are continued proportional, bbb is the—