Finding the Third Proportional to 8,240,937 and 12,123,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,240,937 : 12,123,148.50 = 12,123,148.50 : x
2. Step 2: Convert to fraction form
   8,240,937/12,123,148.50 = 12,123,148.50/x
3. Step 3: Cross multiply
   8,240,937x = 12,123,148.50 × 12,123,148.50
4. Step 4: Simplify right side
   8,240,937x = 146,970,729,553,052.25
5. Step 5: Solve for x
   x = 146,970,729,553,052.25/8,240,937
6. Step 6: Final answer
   x = 17,834,225.59