Finding the Third Proportional to 984,994 and 2,156,820

Step by Step Solution

1. Step 1: Write the proportion equation
   984,994 : 2,156,820 = 2,156,820 : x
2. Step 2: Convert to fraction form
   984,994/2,156,820 = 2,156,820/x
3. Step 3: Cross multiply
   984,994x = 2,156,820 × 2,156,820
4. Step 4: Simplify right side
   984,994x = 4,651,872,512,400
5. Step 5: Solve for x
   x = 4,651,872,512,400/984,994
6. Step 6: Final answer
   x = 4,722,741.98