Finding the Third Proportional to 7,120.13 and 10,711.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,120.13 : 10,711.69 = 10,711.69 : x
2. Step 2: Convert to fraction form
   7,120.13/10,711.69 = 10,711.69/x
3. Step 3: Cross multiply
   7,120.13x = 10,711.69 × 10,711.69
4. Step 4: Simplify right side
   7,120.13x = 114,740,249.10
5. Step 5: Solve for x
   x = 114,740,249.10/7,120.13
6. Step 6: Final answer
   x = 16,114.92