Finding the Third Proportional to 300,849 and 653,570

Step by Step Solution

1. Step 1: Write the proportion equation
   300,849 : 653,570 = 653,570 : x
2. Step 2: Convert to fraction form
   300,849/653,570 = 653,570/x
3. Step 3: Cross multiply
   300,849x = 653,570 × 653,570
4. Step 4: Simplify right side
   300,849x = 427,153,744,900
5. Step 5: Solve for x
   x = 427,153,744,900/300,849
6. Step 6: Final answer
   x = 1,419,827.70