Finding the Third Proportional to 20,935.13 and 31,447.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,935.13 : 31,447.69 = 31,447.69 : x
2. Step 2: Convert to fraction form
   20,935.13/31,447.69 = 31,447.69/x
3. Step 3: Cross multiply
   20,935.13x = 31,447.69 × 31,447.69
4. Step 4: Simplify right side
   20,935.13x = 988,957,049.10
5. Step 5: Solve for x
   x = 988,957,049.10/20,935.13
6. Step 6: Final answer
   x = 47,239.13