Finding the Third Proportional to 1,404 and 3,554

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404 : 3,554 = 3,554 : x
2. Step 2: Convert to fraction form
   1,404/3,554 = 3,554/x
3. Step 3: Cross multiply
   1,404x = 3,554 × 3,554
4. Step 4: Simplify right side
   1,404x = 12,630,916
5. Step 5: Solve for x
   x = 12,630,916/1,404
6. Step 6: Final answer
   x = 8,996.38