Finding the Third Proportional to 20,216 and 31,996

Step by Step Solution

1. Step 1: Write the proportion equation
   20,216 : 31,996 = 31,996 : x
2. Step 2: Convert to fraction form
   20,216/31,996 = 31,996/x
3. Step 3: Cross multiply
   20,216x = 31,996 × 31,996
4. Step 4: Simplify right side
   20,216x = 1,023,744,016
5. Step 5: Solve for x
   x = 1,023,744,016/20,216
6. Step 6: Final answer
   x = 50,640.29