Finding the Third Proportional to 7,147.50 and 15,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.50 : 15,517.50 = 15,517.50 : x
2. Step 2: Convert to fraction form
   7,147.50/15,517.50 = 15,517.50/x
3. Step 3: Cross multiply
   7,147.50x = 15,517.50 × 15,517.50
4. Step 4: Simplify right side
   7,147.50x = 240,792,806.25
5. Step 5: Solve for x
   x = 240,792,806.25/7,147.50
6. Step 6: Final answer
   x = 33,689.09