Finding the Third Proportional to 71,645,991 and 155,456,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,645,991 : 155,456,074.50 = 155,456,074.50 : x
2. Step 2: Convert to fraction form
   71,645,991/155,456,074.50 = 155,456,074.50/x
3. Step 3: Cross multiply
   71,645,991x = 155,456,074.50 × 155,456,074.50
4. Step 4: Simplify right side
   71,645,991x = 24,166,591,098,949,552
5. Step 5: Solve for x
   x = 24,166,591,098,949,552/71,645,991
6. Step 6: Final answer
   x = 337,305,559.76