Finding the Third Proportional to 20,744 and 31,885

Step by Step Solution

1. Step 1: Write the proportion equation
   20,744 : 31,885 = 31,885 : x
2. Step 2: Convert to fraction form
   20,744/31,885 = 31,885/x
3. Step 3: Cross multiply
   20,744x = 31,885 × 31,885
4. Step 4: Simplify right side
   20,744x = 1,016,653,225
5. Step 5: Solve for x
   x = 1,016,653,225/20,744
6. Step 6: Final answer
   x = 49,009.51