Finding the Third Proportional to 59,487.75 and 91,432.13

Step by Step Solution

1. Step 1: Write the proportion equation
   59,487.75 : 91,432.13 = 91,432.13 : x
2. Step 2: Convert to fraction form
   59,487.75/91,432.13 = 91,432.13/x
3. Step 3: Cross multiply
   59,487.75x = 91,432.13 × 91,432.13
4. Step 4: Simplify right side
   59,487.75x = 8,359,833,482.02
5. Step 5: Solve for x
   x = 8,359,833,482.02/59,487.75
6. Step 6: Final answer
   x = 140,530.34