Finding the Third Proportional to 298,188 and 443,232

Step by Step Solution

1. Step 1: Write the proportion equation
   298,188 : 443,232 = 443,232 : x
2. Step 2: Convert to fraction form
   298,188/443,232 = 443,232/x
3. Step 3: Cross multiply
   298,188x = 443,232 × 443,232
4. Step 4: Simplify right side
   298,188x = 196,454,605,824
5. Step 5: Solve for x
   x = 196,454,605,824/298,188
6. Step 6: Final answer
   x = 658,828.01