Finding the Third Proportional to 8,656.50 and 12,714

Step by Step Solution

1. Step 1: Write the proportion equation
   8,656.50 : 12,714 = 12,714 : x
2. Step 2: Convert to fraction form
   8,656.50/12,714 = 12,714/x
3. Step 3: Cross multiply
   8,656.50x = 12,714 × 12,714
4. Step 4: Simplify right side
   8,656.50x = 161,645,796
5. Step 5: Solve for x
   x = 161,645,796/8,656.50
6. Step 6: Final answer
   x = 18,673.34