Finding the Third Proportional to 5,493.38 and 8,512.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,493.38 : 8,512.88 = 8,512.88 : x
2. Step 2: Convert to fraction form
   5,493.38/8,512.88 = 8,512.88/x
3. Step 3: Cross multiply
   5,493.38x = 8,512.88 × 8,512.88
4. Step 4: Simplify right side
   5,493.38x = 72,469,040.77
5. Step 5: Solve for x
   x = 72,469,040.77/5,493.38
6. Step 6: Final answer
   x = 13,192.08