Finding the Third Proportional to 1,147.69 and 2,500.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.69 : 2,500.31 = 2,500.31 : x
2. Step 2: Convert to fraction form
   1,147.69/2,500.31 = 2,500.31/x
3. Step 3: Cross multiply
   1,147.69x = 2,500.31 × 2,500.31
4. Step 4: Simplify right side
   1,147.69x = 6,251,562.60
5. Step 5: Solve for x
   x = 6,251,562.60/1,147.69
6. Step 6: Final answer
   x = 5,447.09