Finding the Third Proportional to 8,757.75 and 12,042.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,757.75 : 12,042.88 = 12,042.88 : x
2. Step 2: Convert to fraction form
   8,757.75/12,042.88 = 12,042.88/x
3. Step 3: Cross multiply
   8,757.75x = 12,042.88 × 12,042.88
4. Step 4: Simplify right side
   8,757.75x = 145,030,838.27
5. Step 5: Solve for x
   x = 145,030,838.27/8,757.75
6. Step 6: Final answer
   x = 16,560.29