Finding the Third Proportional to 984,900 and 2,116,920

Step by Step Solution

1. Step 1: Write the proportion equation
   984,900 : 2,116,920 = 2,116,920 : x
2. Step 2: Convert to fraction form
   984,900/2,116,920 = 2,116,920/x
3. Step 3: Cross multiply
   984,900x = 2,116,920 × 2,116,920
4. Step 4: Simplify right side
   984,900x = 4,481,350,286,400
5. Step 5: Solve for x
   x = 4,481,350,286,400/984,900
6. Step 6: Final answer
   x = 4,550,056.13