Finding the Third Proportional to 16,418 and 25,471

Step by Step Solution

1. Step 1: Write the proportion equation
   16,418 : 25,471 = 25,471 : x
2. Step 2: Convert to fraction form
   16,418/25,471 = 25,471/x
3. Step 3: Cross multiply
   16,418x = 25,471 × 25,471
4. Step 4: Simplify right side
   16,418x = 648,771,841
5. Step 5: Solve for x
   x = 648,771,841/16,418
6. Step 6: Final answer
   x = 39,515.89