Finding the Third Proportional to 198,832 and 301,144

Step by Step Solution

1. Step 1: Write the proportion equation
   198,832 : 301,144 = 301,144 : x
2. Step 2: Convert to fraction form
   198,832/301,144 = 301,144/x
3. Step 3: Cross multiply
   198,832x = 301,144 × 301,144
4. Step 4: Simplify right side
   198,832x = 90,687,708,736
5. Step 5: Solve for x
   x = 90,687,708,736/198,832
6. Step 6: Final answer
   x = 456,102.18