Finding the Third Proportional to 198,836 and 301,150

Step by Step Solution

1. Step 1: Write the proportion equation
   198,836 : 301,150 = 301,150 : x
2. Step 2: Convert to fraction form
   198,836/301,150 = 301,150/x
3. Step 3: Cross multiply
   198,836x = 301,150 × 301,150
4. Step 4: Simplify right side
   198,836x = 90,691,322,500
5. Step 5: Solve for x
   x = 90,691,322,500/198,836
6. Step 6: Final answer
   x = 456,111.18