Finding the Third Proportional to 8,679 and 12,294

Step by Step Solution

1. Step 1: Write the proportion equation
   8,679 : 12,294 = 12,294 : x
2. Step 2: Convert to fraction form
   8,679/12,294 = 12,294/x
3. Step 3: Cross multiply
   8,679x = 12,294 × 12,294
4. Step 4: Simplify right side
   8,679x = 151,142,436
5. Step 5: Solve for x
   x = 151,142,436/8,679
6. Step 6: Final answer
   x = 17,414.73