Finding the Third Proportional to 9,040 and 12,714

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040 : 12,714 = 12,714 : x
2. Step 2: Convert to fraction form
   9,040/12,714 = 12,714/x
3. Step 3: Cross multiply
   9,040x = 12,714 × 12,714
4. Step 4: Simplify right side
   9,040x = 161,645,796
5. Step 5: Solve for x
   x = 161,645,796/9,040
6. Step 6: Final answer
   x = 17,881.17