Finding the Third Proportional to 2,288.25 and 3,553.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.25 : 3,553.88 = 3,553.88 : x
2. Step 2: Convert to fraction form
   2,288.25/3,553.88 = 3,553.88/x
3. Step 3: Cross multiply
   2,288.25x = 3,553.88 × 3,553.88
4. Step 4: Simplify right side
   2,288.25x = 12,630,027.52
5. Step 5: Solve for x
   x = 12,630,027.52/2,288.25
6. Step 6: Final answer
   x = 5,519.51