Finding the Third Proportional to 13,976 and 16,904

Step by Step Solution

1. Step 1: Write the proportion equation
   13,976 : 16,904 = 16,904 : x
2. Step 2: Convert to fraction form
   13,976/16,904 = 16,904/x
3. Step 3: Cross multiply
   13,976x = 16,904 × 16,904
4. Step 4: Simplify right side
   13,976x = 285,745,216
5. Step 5: Solve for x
   x = 285,745,216/13,976
6. Step 6: Final answer
   x = 20,445.42