Finding the Third Proportional to 43,645,792.50 and 72,740,052

Step by Step Solution

1. Step 1: Write the proportion equation
   43,645,792.50 : 72,740,052 = 72,740,052 : x
2. Step 2: Convert to fraction form
   43,645,792.50/72,740,052 = 72,740,052/x
3. Step 3: Cross multiply
   43,645,792.50x = 72,740,052 × 72,740,052
4. Step 4: Simplify right side
   43,645,792.50x = 5,291,115,164,962,704
5. Step 5: Solve for x
   x = 5,291,115,164,962,704/43,645,792.50
6. Step 6: Final answer
   x = 121,228,527.70