Finding the Third Proportional to 2,388.42 and 3,440.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.42 : 3,440.24 = 3,440.24 : x
2. Step 2: Convert to fraction form
   2,388.42/3,440.24 = 3,440.24/x
3. Step 3: Cross multiply
   2,388.42x = 3,440.24 × 3,440.24
4. Step 4: Simplify right side
   2,388.42x = 11,835,239.43
5. Step 5: Solve for x
   x = 11,835,239.43/2,388.42
6. Step 6: Final answer
   x = 4,955.25