Finding the Third Proportional to 10,671 and 12,543

Step by Step Solution

1. Step 1: Write the proportion equation
   10,671 : 12,543 = 12,543 : x
2. Step 2: Convert to fraction form
   10,671/12,543 = 12,543/x
3. Step 3: Cross multiply
   10,671x = 12,543 × 12,543
4. Step 4: Simplify right side
   10,671x = 157,326,849
5. Step 5: Solve for x
   x = 157,326,849/10,671
6. Step 6: Final answer
   x = 14,743.40