Finding the Third Proportional to 28,080 and 60,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,080 : 60,391.50 = 60,391.50 : x
2. Step 2: Convert to fraction form
   28,080/60,391.50 = 60,391.50/x
3. Step 3: Cross multiply
   28,080x = 60,391.50 × 60,391.50
4. Step 4: Simplify right side
   28,080x = 3,647,133,272.25
5. Step 5: Solve for x
   x = 3,647,133,272.25/28,080
6. Step 6: Final answer
   x = 129,883.66