Finding the Third Proportional to 2,808,871 and 4,242,828

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808,871 : 4,242,828 = 4,242,828 : x
2. Step 2: Convert to fraction form
   2,808,871/4,242,828 = 4,242,828/x
3. Step 3: Cross multiply
   2,808,871x = 4,242,828 × 4,242,828
4. Step 4: Simplify right side
   2,808,871x = 18,001,589,437,584
5. Step 5: Solve for x
   x = 18,001,589,437,584/2,808,871
6. Step 6: Final answer
   x = 6,408,834.52