Finding the Third Proportional to 984,690 and 2,120,040

Step by Step Solution

1. Step 1: Write the proportion equation
   984,690 : 2,120,040 = 2,120,040 : x
2. Step 2: Convert to fraction form
   984,690/2,120,040 = 2,120,040/x
3. Step 3: Cross multiply
   984,690x = 2,120,040 × 2,120,040
4. Step 4: Simplify right side
   984,690x = 4,494,569,601,600
5. Step 5: Solve for x
   x = 4,494,569,601,600/984,690
6. Step 6: Final answer
   x = 4,564,451.35