Finding the Third Proportional to 7,456.50 and 10,720.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.50 : 10,720.13 = 10,720.13 : x
2. Step 2: Convert to fraction form
   7,456.50/10,720.13 = 10,720.13/x
3. Step 3: Cross multiply
   7,456.50x = 10,720.13 × 10,720.13
4. Step 4: Simplify right side
   7,456.50x = 114,921,080.02
5. Step 5: Solve for x
   x = 114,921,080.02/7,456.50
6. Step 6: Final answer
   x = 15,412.20