Find the number that follows in the given series.
5, 12, 26, 54, 110, ?

Let us find the logical relationship between consecutive terms:
* $5\times 2+2=12$
* $12\times 2+2=26$
* $26\times 2+2=54$
* $54\times 2+2=110$

Following the same rule ($\text{Previous term}\times 2+2$):

$$\text{Missing term}=110\times 2+2=220+2=222$$