Finding the Third Proportional to 605,786 and 1,321,598

Step by Step Solution

1. Step 1: Write the proportion equation
   605,786 : 1,321,598 = 1,321,598 : x
2. Step 2: Convert to fraction form
   605,786/1,321,598 = 1,321,598/x
3. Step 3: Cross multiply
   605,786x = 1,321,598 × 1,321,598
4. Step 4: Simplify right side
   605,786x = 1,746,621,273,604
5. Step 5: Solve for x
   x = 1,746,621,273,604/605,786
6. Step 6: Final answer
   x = 2,883,231.49