Finding the Third Proportional to 11,649,057.50 and 18,234,116

Step by Step Solution

1. Step 1: Write the proportion equation
   11,649,057.50 : 18,234,116 = 18,234,116 : x
2. Step 2: Convert to fraction form
   11,649,057.50/18,234,116 = 18,234,116/x
3. Step 3: Cross multiply
   11,649,057.50x = 18,234,116 × 18,234,116
4. Step 4: Simplify right side
   11,649,057.50x = 332,482,986,301,456
5. Step 5: Solve for x
   x = 332,482,986,301,456/11,649,057.50
6. Step 6: Final answer
   x = 28,541,621.18