Finding the Third Proportional to 1,578,336 and 3,408,928

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,336 : 3,408,928 = 3,408,928 : x
2. Step 2: Convert to fraction form
   1,578,336/3,408,928 = 3,408,928/x
3. Step 3: Cross multiply
   1,578,336x = 3,408,928 × 3,408,928
4. Step 4: Simplify right side
   1,578,336x = 11,620,790,109,184
5. Step 5: Solve for x
   x = 11,620,790,109,184/1,578,336
6. Step 6: Final answer
   x = 7,362,684.57