Finding the Third Proportional to 1,578,204 and 3,408,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,204 : 3,408,636 = 3,408,636 : x
2. Step 2: Convert to fraction form
   1,578,204/3,408,636 = 3,408,636/x
3. Step 3: Cross multiply
   1,578,204x = 3,408,636 × 3,408,636
4. Step 4: Simplify right side
   1,578,204x = 11,618,799,380,496
5. Step 5: Solve for x
   x = 11,618,799,380,496/1,578,204
6. Step 6: Final answer
   x = 7,362,038.99