Finding the Third Proportional to 722,574 and 1,016,643

Step by Step Solution

1. Step 1: Write the proportion equation
   722,574 : 1,016,643 = 1,016,643 : x
2. Step 2: Convert to fraction form
   722,574/1,016,643 = 1,016,643/x
3. Step 3: Cross multiply
   722,574x = 1,016,643 × 1,016,643
4. Step 4: Simplify right side
   722,574x = 1,033,562,989,449
5. Step 5: Solve for x
   x = 1,033,562,989,449/722,574
6. Step 6: Final answer
   x = 1,430,390.51