Finding the Third Proportional to 10,879.31 and 23,140.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.31 : 23,140.69 = 23,140.69 : x
2. Step 2: Convert to fraction form
   10,879.31/23,140.69 = 23,140.69/x
3. Step 3: Cross multiply
   10,879.31x = 23,140.69 × 23,140.69
4. Step 4: Simplify right side
   10,879.31x = 535,491,417.97
5. Step 5: Solve for x
   x = 535,491,417.97/10,879.31
6. Step 6: Final answer
   x = 49,221.07