Finding the Third Proportional to 8,616,970 and 13,342,792

Step by Step Solution

1. Step 1: Write the proportion equation
   8,616,970 : 13,342,792 = 13,342,792 : x
2. Step 2: Convert to fraction form
   8,616,970/13,342,792 = 13,342,792/x
3. Step 3: Cross multiply
   8,616,970x = 13,342,792 × 13,342,792
4. Step 4: Simplify right side
   8,616,970x = 178,030,098,355,264
5. Step 5: Solve for x
   x = 178,030,098,355,264/8,616,970
6. Step 6: Final answer
   x = 20,660,405.96