Finding the Third Proportional to 59,413.50 and 81,708.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,413.50 : 81,708.75 = 81,708.75 : x
2. Step 2: Convert to fraction form
   59,413.50/81,708.75 = 81,708.75/x
3. Step 3: Cross multiply
   59,413.50x = 81,708.75 × 81,708.75
4. Step 4: Simplify right side
   59,413.50x = 6,676,319,826.56
5. Step 5: Solve for x
   x = 6,676,319,826.56/59,413.50
6. Step 6: Final answer
   x = 112,370.42