Finding the Third Proportional to 199,676 and 300,327

Step by Step Solution

1. Step 1: Write the proportion equation
   199,676 : 300,327 = 300,327 : x
2. Step 2: Convert to fraction form
   199,676/300,327 = 300,327/x
3. Step 3: Cross multiply
   199,676x = 300,327 × 300,327
4. Step 4: Simplify right side
   199,676x = 90,196,306,929
5. Step 5: Solve for x
   x = 90,196,306,929/199,676
6. Step 6: Final answer
   x = 451,713.31