Finding the Third Proportional to 15,864 and 25,443

Step by Step Solution

1. Step 1: Write the proportion equation
   15,864 : 25,443 = 25,443 : x
2. Step 2: Convert to fraction form
   15,864/25,443 = 25,443/x
3. Step 3: Cross multiply
   15,864x = 25,443 × 25,443
4. Step 4: Simplify right side
   15,864x = 647,346,249
5. Step 5: Solve for x
   x = 647,346,249/15,864
6. Step 6: Final answer
   x = 40,805.99