Finding the Third Proportional to 20,055.38 and 31,192.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,055.38 : 31,192.31 = 31,192.31 : x
2. Step 2: Convert to fraction form
   20,055.38/31,192.31 = 31,192.31/x
3. Step 3: Cross multiply
   20,055.38x = 31,192.31 × 31,192.31
4. Step 4: Simplify right side
   20,055.38x = 972,960,359.10
5. Step 5: Solve for x
   x = 972,960,359.10/20,055.38
6. Step 6: Final answer
   x = 48,513.70