Finding the Third Proportional to 59,464.50 and 91,080

Step by Step Solution

1. Step 1: Write the proportion equation
   59,464.50 : 91,080 = 91,080 : x
2. Step 2: Convert to fraction form
   59,464.50/91,080 = 91,080/x
3. Step 3: Cross multiply
   59,464.50x = 91,080 × 91,080
4. Step 4: Simplify right side
   59,464.50x = 8,295,566,400
5. Step 5: Solve for x
   x = 8,295,566,400/59,464.50
6. Step 6: Final answer
   x = 139,504.52