Finding the Third Proportional to 8,738 and 12,356

Step by Step Solution

1. Step 1: Write the proportion equation
   8,738 : 12,356 = 12,356 : x
2. Step 2: Convert to fraction form
   8,738/12,356 = 12,356/x
3. Step 3: Cross multiply
   8,738x = 12,356 × 12,356
4. Step 4: Simplify right side
   8,738x = 152,670,736
5. Step 5: Solve for x
   x = 152,670,736/8,738
6. Step 6: Final answer
   x = 17,472.05