Finding the Third Proportional to 724,686 and 984,105

Step by Step Solution

1. Step 1: Write the proportion equation
   724,686 : 984,105 = 984,105 : x
2. Step 2: Convert to fraction form
   724,686/984,105 = 984,105/x
3. Step 3: Cross multiply
   724,686x = 984,105 × 984,105
4. Step 4: Simplify right side
   724,686x = 968,462,651,025
5. Step 5: Solve for x
   x = 968,462,651,025/724,686
6. Step 6: Final answer
   x = 1,336,389.35