Finding the Third Proportional to 199,626 and 300,249

Step by Step Solution

1. Step 1: Write the proportion equation
   199,626 : 300,249 = 300,249 : x
2. Step 2: Convert to fraction form
   199,626/300,249 = 300,249/x
3. Step 3: Cross multiply
   199,626x = 300,249 × 300,249
4. Step 4: Simplify right side
   199,626x = 90,149,462,001
5. Step 5: Solve for x
   x = 90,149,462,001/199,626
6. Step 6: Final answer
   x = 451,591.79