Finding the Third Proportional to 59,448 and 81,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,448 : 81,517.50 = 81,517.50 : x
2. Step 2: Convert to fraction form
   59,448/81,517.50 = 81,517.50/x
3. Step 3: Cross multiply
   59,448x = 81,517.50 × 81,517.50
4. Step 4: Simplify right side
   59,448x = 6,645,102,806.25
5. Step 5: Solve for x
   x = 6,645,102,806.25/59,448
6. Step 6: Final answer
   x = 111,780.09