Finding the Third Proportional to 31,912 and 50,508

Step by Step Solution

1. Step 1: Write the proportion equation
   31,912 : 50,508 = 50,508 : x
2. Step 2: Convert to fraction form
   31,912/50,508 = 50,508/x
3. Step 3: Cross multiply
   31,912x = 50,508 × 50,508
4. Step 4: Simplify right side
   31,912x = 2,551,058,064
5. Step 5: Solve for x
   x = 2,551,058,064/31,912
6. Step 6: Final answer
   x = 79,940.40