Finding the Third Proportional to 993,408 and 2,145,612

Step by Step Solution

1. Step 1: Write the proportion equation
   993,408 : 2,145,612 = 2,145,612 : x
2. Step 2: Convert to fraction form
   993,408/2,145,612 = 2,145,612/x
3. Step 3: Cross multiply
   993,408x = 2,145,612 × 2,145,612
4. Step 4: Simplify right side
   993,408x = 4,603,650,854,544
5. Step 5: Solve for x
   x = 4,603,650,854,544/993,408
6. Step 6: Final answer
   x = 4,634,199.50