Finding the Third Proportional to 2,019,983 and 4,420,018

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,983 : 4,420,018 = 4,420,018 : x
2. Step 2: Convert to fraction form
   2,019,983/4,420,018 = 4,420,018/x
3. Step 3: Cross multiply
   2,019,983x = 4,420,018 × 4,420,018
4. Step 4: Simplify right side
   2,019,983x = 19,536,559,120,324
5. Step 5: Solve for x
   x = 19,536,559,120,324/2,019,983
6. Step 6: Final answer
   x = 9,671,645.32