Finding the Third Proportional to 16,856 and 25,988

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856 : 25,988 = 25,988 : x
2. Step 2: Convert to fraction form
   16,856/25,988 = 25,988/x
3. Step 3: Cross multiply
   16,856x = 25,988 × 25,988
4. Step 4: Simplify right side
   16,856x = 675,376,144
5. Step 5: Solve for x
   x = 675,376,144/16,856
6. Step 6: Final answer
   x = 40,067.40