Finding the Third Proportional to 10,904 and 16,878

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904 : 16,878 = 16,878 : x
2. Step 2: Convert to fraction form
   10,904/16,878 = 16,878/x
3. Step 3: Cross multiply
   10,904x = 16,878 × 16,878
4. Step 4: Simplify right side
   10,904x = 284,866,884
5. Step 5: Solve for x
   x = 284,866,884/10,904
6. Step 6: Final answer
   x = 26,124.99