Finding the Third Proportional to 605,746 and 1,321,518

Step by Step Solution

1. Step 1: Write the proportion equation
   605,746 : 1,321,518 = 1,321,518 : x
2. Step 2: Convert to fraction form
   605,746/1,321,518 = 1,321,518/x
3. Step 3: Cross multiply
   605,746x = 1,321,518 × 1,321,518
4. Step 4: Simplify right side
   605,746x = 1,746,409,824,324
5. Step 5: Solve for x
   x = 1,746,409,824,324/605,746
6. Step 6: Final answer
   x = 2,883,072.81