Finding the Third Proportional to 59,891.50 and 89,829.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,891.50 : 89,829.50 = 89,829.50 : x
2. Step 2: Convert to fraction form
   59,891.50/89,829.50 = 89,829.50/x
3. Step 3: Cross multiply
   59,891.50x = 89,829.50 × 89,829.50
4. Step 4: Simplify right side
   59,891.50x = 8,069,339,070.25
5. Step 5: Solve for x
   x = 8,069,339,070.25/59,891.50
6. Step 6: Final answer
   x = 134,732.63