Finding the Third Proportional to 9,520.88 and 12,587.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520.88 : 12,587.06 = 12,587.06 : x
2. Step 2: Convert to fraction form
   9,520.88/12,587.06 = 12,587.06/x
3. Step 3: Cross multiply
   9,520.88x = 12,587.06 × 12,587.06
4. Step 4: Simplify right side
   9,520.88x = 158,434,142.38
5. Step 5: Solve for x
   x = 158,434,142.38/9,520.88
6. Step 6: Final answer
   x = 16,640.71