Finding the Third Proportional to 12,043.69 and 12,876.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,043.69 : 12,876.75 = 12,876.75 : x
2. Step 2: Convert to fraction form
   12,043.69/12,876.75 = 12,876.75/x
3. Step 3: Cross multiply
   12,043.69x = 12,876.75 × 12,876.75
4. Step 4: Simplify right side
   12,043.69x = 165,810,690.56
5. Step 5: Solve for x
   x = 165,810,690.56/12,043.69
6. Step 6: Final answer
   x = 13,767.44