Finding the Third Proportional to 2,808,911 and 4,242,884

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808,911 : 4,242,884 = 4,242,884 : x
2. Step 2: Convert to fraction form
   2,808,911/4,242,884 = 4,242,884/x
3. Step 3: Cross multiply
   2,808,911x = 4,242,884 × 4,242,884
4. Step 4: Simplify right side
   2,808,911x = 18,002,064,637,456
5. Step 5: Solve for x
   x = 18,002,064,637,456/2,808,911
6. Step 6: Final answer
   x = 6,408,912.44