Finding the Third Proportional to 31,979 and 50,055

Step by Step Solution

1. Step 1: Write the proportion equation
   31,979 : 50,055 = 50,055 : x
2. Step 2: Convert to fraction form
   31,979/50,055 = 50,055/x
3. Step 3: Cross multiply
   31,979x = 50,055 × 50,055
4. Step 4: Simplify right side
   31,979x = 2,505,503,025
5. Step 5: Solve for x
   x = 2,505,503,025/31,979
6. Step 6: Final answer
   x = 78,348.39