Finding the Third Proportional to 31,913 and 50,510

Step by Step Solution

1. Step 1: Write the proportion equation
   31,913 : 50,510 = 50,510 : x
2. Step 2: Convert to fraction form
   31,913/50,510 = 50,510/x
3. Step 3: Cross multiply
   31,913x = 50,510 × 50,510
4. Step 4: Simplify right side
   31,913x = 2,551,260,100
5. Step 5: Solve for x
   x = 2,551,260,100/31,913
6. Step 6: Final answer
   x = 79,944.23