Finding the Third Proportional to 2,019,966 and 4,354,812

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,966 : 4,354,812 = 4,354,812 : x
2. Step 2: Convert to fraction form
   2,019,966/4,354,812 = 4,354,812/x
3. Step 3: Cross multiply
   2,019,966x = 4,354,812 × 4,354,812
4. Step 4: Simplify right side
   2,019,966x = 18,964,387,555,344
5. Step 5: Solve for x
   x = 18,964,387,555,344/2,019,966
6. Step 6: Final answer
   x = 9,388,468.69