Finding the Third Proportional to 722,586 and 1,016,664

Step by Step Solution

1. Step 1: Write the proportion equation
   722,586 : 1,016,664 = 1,016,664 : x
2. Step 2: Convert to fraction form
   722,586/1,016,664 = 1,016,664/x
3. Step 3: Cross multiply
   722,586x = 1,016,664 × 1,016,664
4. Step 4: Simplify right side
   722,586x = 1,033,605,688,896
5. Step 5: Solve for x
   x = 1,033,605,688,896/722,586
6. Step 6: Final answer
   x = 1,430,425.84