Finding the Third Proportional to 298,108 and 443,110

Step by Step Solution

1. Step 1: Write the proportion equation
   298,108 : 443,110 = 443,110 : x
2. Step 2: Convert to fraction form
   298,108/443,110 = 443,110/x
3. Step 3: Cross multiply
   298,108x = 443,110 × 443,110
4. Step 4: Simplify right side
   298,108x = 196,346,472,100
5. Step 5: Solve for x
   x = 196,346,472,100/298,108
6. Step 6: Final answer
   x = 658,642.08