Finding the Third Proportional to 107,920,342.50 and 237,359,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,920,342.50 : 237,359,212.50 = 237,359,212.50 : x
2. Step 2: Convert to fraction form
   107,920,342.50/237,359,212.50 = 237,359,212.50/x
3. Step 3: Cross multiply
   107,920,342.50x = 237,359,212.50 × 237,359,212.50
4. Step 4: Simplify right side
   107,920,342.50x = 56,339,395,758,620,160
5. Step 5: Solve for x
   x = 56,339,395,758,620,160/107,920,342.50
6. Step 6: Final answer
   x = 522,046,117.10