Finding the Third Proportional to 605,783 and 1,321,594

Step by Step Solution

1. Step 1: Write the proportion equation
   605,783 : 1,321,594 = 1,321,594 : x
2. Step 2: Convert to fraction form
   605,783/1,321,594 = 1,321,594/x
3. Step 3: Cross multiply
   605,783x = 1,321,594 × 1,321,594
4. Step 4: Simplify right side
   605,783x = 1,746,610,700,836
5. Step 5: Solve for x
   x = 1,746,610,700,836/605,783
6. Step 6: Final answer
   x = 2,883,228.32