Finding the Third Proportional to 135,668 and 298,404

Step by Step Solution

1. Step 1: Write the proportion equation
   135,668 : 298,404 = 298,404 : x
2. Step 2: Convert to fraction form
   135,668/298,404 = 298,404/x
3. Step 3: Cross multiply
   135,668x = 298,404 × 298,404
4. Step 4: Simplify right side
   135,668x = 89,044,947,216
5. Step 5: Solve for x
   x = 89,044,947,216/135,668
6. Step 6: Final answer
   x = 656,344.51