Finding the Third Proportional to 714,420 and 984,150

Step by Step Solution

1. Step 1: Write the proportion equation
   714,420 : 984,150 = 984,150 : x
2. Step 2: Convert to fraction form
   714,420/984,150 = 984,150/x
3. Step 3: Cross multiply
   714,420x = 984,150 × 984,150
4. Step 4: Simplify right side
   714,420x = 968,551,222,500
5. Step 5: Solve for x
   x = 968,551,222,500/714,420
6. Step 6: Final answer
   x = 1,355,716.84