Finding the Third Proportional to 16,419 and 25,040

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419 : 25,040 = 25,040 : x
2. Step 2: Convert to fraction form
   16,419/25,040 = 25,040/x
3. Step 3: Cross multiply
   16,419x = 25,040 × 25,040
4. Step 4: Simplify right side
   16,419x = 627,001,600
5. Step 5: Solve for x
   x = 627,001,600/16,419
6. Step 6: Final answer
   x = 38,187.56