Finding the Third Proportional to 31,998 and 50,190

Step by Step Solution

1. Step 1: Write the proportion equation
   31,998 : 50,190 = 50,190 : x
2. Step 2: Convert to fraction form
   31,998/50,190 = 50,190/x
3. Step 3: Cross multiply
   31,998x = 50,190 × 50,190
4. Step 4: Simplify right side
   31,998x = 2,519,036,100
5. Step 5: Solve for x
   x = 2,519,036,100/31,998
6. Step 6: Final answer
   x = 78,724.80