Finding the Third Proportional to 605,744 and 1,321,515

Step by Step Solution

1. Step 1: Write the proportion equation
   605,744 : 1,321,515 = 1,321,515 : x
2. Step 2: Convert to fraction form
   605,744/1,321,515 = 1,321,515/x
3. Step 3: Cross multiply
   605,744x = 1,321,515 × 1,321,515
4. Step 4: Simplify right side
   605,744x = 1,746,401,895,225
5. Step 5: Solve for x
   x = 1,746,401,895,225/605,744
6. Step 6: Final answer
   x = 2,883,069.24