Finding the Third Proportional to 2,019,984 and 4,420,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,984 : 4,420,020 = 4,420,020 : x
2. Step 2: Convert to fraction form
   2,019,984/4,420,020 = 4,420,020/x
3. Step 3: Cross multiply
   2,019,984x = 4,420,020 × 4,420,020
4. Step 4: Simplify right side
   2,019,984x = 19,536,576,800,400
5. Step 5: Solve for x
   x = 19,536,576,800,400/2,019,984
6. Step 6: Final answer
   x = 9,671,649.28