Finding the Third Proportional to 8,265.38 and 12,760.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,265.38 : 12,760.88 = 12,760.88 : x
2. Step 2: Convert to fraction form
   8,265.38/12,760.88 = 12,760.88/x
3. Step 3: Cross multiply
   8,265.38x = 12,760.88 × 12,760.88
4. Step 4: Simplify right side
   8,265.38x = 162,839,930.77
5. Step 5: Solve for x
   x = 162,839,930.77/8,265.38
6. Step 6: Final answer
   x = 19,701.46