Finding the Third Proportional to 2,019,911 and 4,419,928

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,911 : 4,419,928 = 4,419,928 : x
2. Step 2: Convert to fraction form
   2,019,911/4,419,928 = 4,419,928/x
3. Step 3: Cross multiply
   2,019,911x = 4,419,928 × 4,419,928
4. Step 4: Simplify right side
   2,019,911x = 19,535,763,525,184
5. Step 5: Solve for x
   x = 19,535,763,525,184/2,019,911
6. Step 6: Final answer
   x = 9,671,596.19