Finding the Third Proportional to 1,578,338 and 3,408,932

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,338 : 3,408,932 = 3,408,932 : x
2. Step 2: Convert to fraction form
   1,578,338/3,408,932 = 3,408,932/x
3. Step 3: Cross multiply
   1,578,338x = 3,408,932 × 3,408,932
4. Step 4: Simplify right side
   1,578,338x = 11,620,817,380,624
5. Step 5: Solve for x
   x = 11,620,817,380,624/1,578,338
6. Step 6: Final answer
   x = 7,362,692.52