Finding the Third Proportional to 298,934 and 444,142

Step by Step Solution

1. Step 1: Write the proportion equation
   298,934 : 444,142 = 444,142 : x
2. Step 2: Convert to fraction form
   298,934/444,142 = 444,142/x
3. Step 3: Cross multiply
   298,934x = 444,142 × 444,142
4. Step 4: Simplify right side
   298,934x = 197,262,116,164
5. Step 5: Solve for x
   x = 197,262,116,164/298,934
6. Step 6: Final answer
   x = 659,885.18