Finding the Third Proportional to 2,500.31 and 5,239.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.31 : 5,239.13 = 5,239.13 : x
2. Step 2: Convert to fraction form
   2,500.31/5,239.13 = 5,239.13/x
3. Step 3: Cross multiply
   2,500.31x = 5,239.13 × 5,239.13
4. Step 4: Simplify right side
   2,500.31x = 27,448,430.77
5. Step 5: Solve for x
   x = 27,448,430.77/2,500.31
6. Step 6: Final answer
   x = 10,978.00