Finding the Third Proportional to 3,243.38 and 3,553.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243.38 : 3,553.88 = 3,553.88 : x
2. Step 2: Convert to fraction form
   3,243.38/3,553.88 = 3,553.88/x
3. Step 3: Cross multiply
   3,243.38x = 3,553.88 × 3,553.88
4. Step 4: Simplify right side
   3,243.38x = 12,630,027.52
5. Step 5: Solve for x
   x = 12,630,027.52/3,243.38
6. Step 6: Final answer
   x = 3,894.10