Finding the Third Proportional to 2,122,479 and 3,000,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,479 : 3,000,420 = 3,000,420 : x
2. Step 2: Convert to fraction form
   2,122,479/3,000,420 = 3,000,420/x
3. Step 3: Cross multiply
   2,122,479x = 3,000,420 × 3,000,420
4. Step 4: Simplify right side
   2,122,479x = 9,002,520,176,400
5. Step 5: Solve for x
   x = 9,002,520,176,400/2,122,479
6. Step 6: Final answer
   x = 4,241,512.01