Finding the Third Proportional to 10,872 and 17,676

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872 : 17,676 = 17,676 : x
2. Step 2: Convert to fraction form
   10,872/17,676 = 17,676/x
3. Step 3: Cross multiply
   10,872x = 17,676 × 17,676
4. Step 4: Simplify right side
   10,872x = 312,440,976
5. Step 5: Solve for x
   x = 312,440,976/10,872
6. Step 6: Final answer
   x = 28,738.13