Finding the Third Proportional to 300,849 and 660,737.25

Step by Step Solution

1. Step 1: Write the proportion equation
   300,849 : 660,737.25 = 660,737.25 : x
2. Step 2: Convert to fraction form
   300,849/660,737.25 = 660,737.25/x
3. Step 3: Cross multiply
   300,849x = 660,737.25 × 660,737.25
4. Step 4: Simplify right side
   300,849x = 436,573,713,537.56
5. Step 5: Solve for x
   x = 436,573,713,537.56/300,849
6. Step 6: Final answer
   x = 1,451,138.99