Finding the Third Proportional to 31,920 and 50,522

Step by Step Solution

1. Step 1: Write the proportion equation
   31,920 : 50,522 = 50,522 : x
2. Step 2: Convert to fraction form
   31,920/50,522 = 50,522/x
3. Step 3: Cross multiply
   31,920x = 50,522 × 50,522
4. Step 4: Simplify right side
   31,920x = 2,552,472,484
5. Step 5: Solve for x
   x = 2,552,472,484/31,920
6. Step 6: Final answer
   x = 79,964.68