Finding the Third Proportional to 31,519,564 and 69,017,792

Step by Step Solution

1. Step 1: Write the proportion equation
   31,519,564 : 69,017,792 = 69,017,792 : x
2. Step 2: Convert to fraction form
   31,519,564/69,017,792 = 69,017,792/x
3. Step 3: Cross multiply
   31,519,564x = 69,017,792 × 69,017,792
4. Step 4: Simplify right side
   31,519,564x = 4,763,455,612,555,264
5. Step 5: Solve for x
   x = 4,763,455,612,555,264/31,519,564
6. Step 6: Final answer
   x = 151,126,951.27