Finding the Third Proportional to 1,001,404 and 2,163,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,001,404 : 2,163,920 = 2,163,920 : x
2. Step 2: Convert to fraction form
   1,001,404/2,163,920 = 2,163,920/x
3. Step 3: Cross multiply
   1,001,404x = 2,163,920 × 2,163,920
4. Step 4: Simplify right side
   1,001,404x = 4,682,549,766,400
5. Step 5: Solve for x
   x = 4,682,549,766,400/1,001,404
6. Step 6: Final answer
   x = 4,675,984.68