Finding the Third Proportional to 26,809.31 and 58,870.13

Step by Step Solution

1. Step 1: Write the proportion equation
   26,809.31 : 58,870.13 = 58,870.13 : x
2. Step 2: Convert to fraction form
   26,809.31/58,870.13 = 58,870.13/x
3. Step 3: Cross multiply
   26,809.31x = 58,870.13 × 58,870.13
4. Step 4: Simplify right side
   26,809.31x = 3,465,691,617.52
5. Step 5: Solve for x
   x = 3,465,691,617.52/26,809.31
6. Step 6: Final answer
   x = 129,271.93