Finding the Third Proportional to 20,057.63 and 31,183.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,057.63 : 31,183.31 = 31,183.31 : x
2. Step 2: Convert to fraction form
   20,057.63/31,183.31 = 31,183.31/x
3. Step 3: Cross multiply
   20,057.63x = 31,183.31 × 31,183.31
4. Step 4: Simplify right side
   20,057.63x = 972,398,978.47
5. Step 5: Solve for x
   x = 972,398,978.47/20,057.63
6. Step 6: Final answer
   x = 48,480.27