Finding the Third Proportional to 150,676 and 221,404

Step by Step Solution

1. Step 1: Write the proportion equation
   150,676 : 221,404 = 221,404 : x
2. Step 2: Convert to fraction form
   150,676/221,404 = 221,404/x
3. Step 3: Cross multiply
   150,676x = 221,404 × 221,404
4. Step 4: Simplify right side
   150,676x = 49,019,731,216
5. Step 5: Solve for x
   x = 49,019,731,216/150,676
6. Step 6: Final answer
   x = 325,332.05