Finding the Third Proportional to 722,586 and 1,016,661

Step by Step Solution

1. Step 1: Write the proportion equation
   722,586 : 1,016,661 = 1,016,661 : x
2. Step 2: Convert to fraction form
   722,586/1,016,661 = 1,016,661/x
3. Step 3: Cross multiply
   722,586x = 1,016,661 × 1,016,661
4. Step 4: Simplify right side
   722,586x = 1,033,599,588,921
5. Step 5: Solve for x
   x = 1,033,599,588,921/722,586
6. Step 6: Final answer
   x = 1,430,417.40