Finding the Third Proportional to 12,676 and 12,676

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676 : 12,676 = 12,676 : x
2. Step 2: Convert to fraction form
   12,676/12,676 = 12,676/x
3. Step 3: Cross multiply
   12,676x = 12,676 × 12,676
4. Step 4: Simplify right side
   12,676x = 160,680,976
5. Step 5: Solve for x
   x = 160,680,976/12,676
6. Step 6: Final answer
   x = 12,676