Finding the Third Proportional to 1,418.34 and 3,255.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.34 : 3,255.61 = 3,255.61 : x
2. Step 2: Convert to fraction form
   1,418.34/3,255.61 = 3,255.61/x
3. Step 3: Cross multiply
   1,418.34x = 3,255.61 × 3,255.61
4. Step 4: Simplify right side
   1,418.34x = 10,598,992.40
5. Step 5: Solve for x
   x = 10,598,992.40/1,418.34
6. Step 6: Final answer
   x = 7,472.80