Finding the Third Proportional to 31,920 and 50,994

Step by Step Solution

1. Step 1: Write the proportion equation
   31,920 : 50,994 = 50,994 : x
2. Step 2: Convert to fraction form
   31,920/50,994 = 50,994/x
3. Step 3: Cross multiply
   31,920x = 50,994 × 50,994
4. Step 4: Simplify right side
   31,920x = 2,600,388,036
5. Step 5: Solve for x
   x = 2,600,388,036/31,920
6. Step 6: Final answer
   x = 81,465.79