Finding the Third Proportional to 69,898,912 and 152,069,792

Step by Step Solution

1. Step 1: Write the proportion equation
   69,898,912 : 152,069,792 = 152,069,792 : x
2. Step 2: Convert to fraction form
   69,898,912/152,069,792 = 152,069,792/x
3. Step 3: Cross multiply
   69,898,912x = 152,069,792 × 152,069,792
4. Step 4: Simplify right side
   69,898,912x = 23,125,221,638,923,264
5. Step 5: Solve for x
   x = 23,125,221,638,923,264/69,898,912
6. Step 6: Final answer
   x = 330,838,077.12