Answer:
The complete series is :
12, 0.5, 6, 3, 18, 54, 972....
Step-by-step explanation:
We can see that the series is working on a pattern here.
The first two numbers are multiplied together to get the third term.
Like : 


So, the next terms will be :


Hence, the complete series will be :
12, 0.5, 6, 3, 18, 54, 972....