Finding the Third Proportional to 71,029,268 and 152,838,664

Step by Step Solution

1. Step 1: Write the proportion equation
   71,029,268 : 152,838,664 = 152,838,664 : x
2. Step 2: Convert to fraction form
   71,029,268/152,838,664 = 152,838,664/x
3. Step 3: Cross multiply
   71,029,268x = 152,838,664 × 152,838,664
4. Step 4: Simplify right side
   71,029,268x = 23,359,657,213,304,896
5. Step 5: Solve for x
   x = 23,359,657,213,304,896/71,029,268
6. Step 6: Final answer
   x = 328,873,686.45