Finding the Third Proportional to 7,131.38 and 10,439.44

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.38 : 10,439.44 = 10,439.44 : x
2. Step 2: Convert to fraction form
   7,131.38/10,439.44 = 10,439.44/x
3. Step 3: Cross multiply
   7,131.38x = 10,439.44 × 10,439.44
4. Step 4: Simplify right side
   7,131.38x = 108,981,855.32
5. Step 5: Solve for x
   x = 108,981,855.32/7,131.38
6. Step 6: Final answer
   x = 15,282.03