Finding the Third Proportional to 12,168 and 13,176

Step by Step Solution

1. Step 1: Write the proportion equation
   12,168 : 13,176 = 13,176 : x
2. Step 2: Convert to fraction form
   12,168/13,176 = 13,176/x
3. Step 3: Cross multiply
   12,168x = 13,176 × 13,176
4. Step 4: Simplify right side
   12,168x = 173,606,976
5. Step 5: Solve for x
   x = 173,606,976/12,168
6. Step 6: Final answer
   x = 14,267.50