Finding the Third Proportional to 10,842 and 12,714

Step by Step Solution

1. Step 1: Write the proportion equation
   10,842 : 12,714 = 12,714 : x
2. Step 2: Convert to fraction form
   10,842/12,714 = 12,714/x
3. Step 3: Cross multiply
   10,842x = 12,714 × 12,714
4. Step 4: Simplify right side
   10,842x = 161,645,796
5. Step 5: Solve for x
   x = 161,645,796/10,842
6. Step 6: Final answer
   x = 14,909.22