Finding the Third Proportional to 26,560,978.31 and 39,081,940.59

Step by Step Solution

1. Step 1: Write the proportion equation
   26,560,978.31 : 39,081,940.59 = 39,081,940.59 : x
2. Step 2: Convert to fraction form
   26,560,978.31/39,081,940.59 = 39,081,940.59/x
3. Step 3: Cross multiply
   26,560,978.31x = 39,081,940.59 × 39,081,940.59
4. Step 4: Simplify right side
   26,560,978.31x = 1,527,398,080,573,404
5. Step 5: Solve for x
   x = 1,527,398,080,573,404/26,560,978.31
6. Step 6: Final answer
   x = 57,505,339.70