Finding the Third Proportional to 20,017.13 and 31,417.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,017.13 : 31,417.88 = 31,417.88 : x
2. Step 2: Convert to fraction form
   20,017.13/31,417.88 = 31,417.88/x
3. Step 3: Cross multiply
   20,017.13x = 31,417.88 × 31,417.88
4. Step 4: Simplify right side
   20,017.13x = 987,082,869.52
5. Step 5: Solve for x
   x = 987,082,869.52/20,017.13
6. Step 6: Final answer
   x = 49,311.92