Finding the Third Proportional to 300,849 and 660,738

Step by Step Solution

1. Step 1: Write the proportion equation
   300,849 : 660,738 = 660,738 : x
2. Step 2: Convert to fraction form
   300,849/660,738 = 660,738/x
3. Step 3: Cross multiply
   300,849x = 660,738 × 660,738
4. Step 4: Simplify right side
   300,849x = 436,574,704,644
5. Step 5: Solve for x
   x = 436,574,704,644/300,849
6. Step 6: Final answer
   x = 1,451,142.28