Finding the Third Proportional to 31,917 and 50,516

Step by Step Solution

1. Step 1: Write the proportion equation
   31,917 : 50,516 = 50,516 : x
2. Step 2: Convert to fraction form
   31,917/50,516 = 50,516/x
3. Step 3: Cross multiply
   31,917x = 50,516 × 50,516
4. Step 4: Simplify right side
   31,917x = 2,551,866,256
5. Step 5: Solve for x
   x = 2,551,866,256/31,917
6. Step 6: Final answer
   x = 79,953.20