Finding the Third Proportional to 26,278.50 and 39,691.13

Step by Step Solution

1. Step 1: Write the proportion equation
   26,278.50 : 39,691.13 = 39,691.13 : x
2. Step 2: Convert to fraction form
   26,278.50/39,691.13 = 39,691.13/x
3. Step 3: Cross multiply
   26,278.50x = 39,691.13 × 39,691.13
4. Step 4: Simplify right side
   26,278.50x = 1,575,385,403.77
5. Step 5: Solve for x
   x = 1,575,385,403.77/26,278.50
6. Step 6: Final answer
   x = 59,949.59