Finding the Third Proportional to 72,722,314.50 and 156,982,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,722,314.50 : 156,982,147.50 = 156,982,147.50 : x
2. Step 2: Convert to fraction form
   72,722,314.50/156,982,147.50 = 156,982,147.50/x
3. Step 3: Cross multiply
   72,722,314.50x = 156,982,147.50 × 156,982,147.50
4. Step 4: Simplify right side
   72,722,314.50x = 24,643,394,633,711,756
5. Step 5: Solve for x
   x = 24,643,394,633,711,756/72,722,314.50
6. Step 6: Final answer
   x = 338,869,778.87