Finding the Third Proportional to 78,720,464.25 and 108,514,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,720,464.25 : 108,514,606.50 = 108,514,606.50 : x
2. Step 2: Convert to fraction form
   78,720,464.25/108,514,606.50 = 108,514,606.50/x
3. Step 3: Cross multiply
   78,720,464.25x = 108,514,606.50 × 108,514,606.50
4. Step 4: Simplify right side
   78,720,464.25x = 11,775,419,823,849,842
5. Step 5: Solve for x
   x = 11,775,419,823,849,842/78,720,464.25
6. Step 6: Final answer
   x = 149,585,243.63