Finding the Third Proportional to 920,136 and 1,988,016

Step by Step Solution

1. Step 1: Write the proportion equation
   920,136 : 1,988,016 = 1,988,016 : x
2. Step 2: Convert to fraction form
   920,136/1,988,016 = 1,988,016/x
3. Step 3: Cross multiply
   920,136x = 1,988,016 × 1,988,016
4. Step 4: Simplify right side
   920,136x = 3,952,207,616,256
5. Step 5: Solve for x
   x = 3,952,207,616,256/920,136
6. Step 6: Final answer
   x = 4,295,242.89