Finding the Third Proportional to 71,646,022.50 and 155,456,139

Step by Step Solution

1. Step 1: Write the proportion equation
   71,646,022.50 : 155,456,139 = 155,456,139 : x
2. Step 2: Convert to fraction form
   71,646,022.50/155,456,139 = 155,456,139/x
3. Step 3: Cross multiply
   71,646,022.50x = 155,456,139 × 155,456,139
4. Step 4: Simplify right side
   71,646,022.50x = 24,166,611,152,787,320
5. Step 5: Solve for x
   x = 24,166,611,152,787,320/71,646,022.50
6. Step 6: Final answer
   x = 337,305,691.36