Finding the Third Proportional to 829,608 and 1,819,920

Step by Step Solution

1. Step 1: Write the proportion equation
   829,608 : 1,819,920 = 1,819,920 : x
2. Step 2: Convert to fraction form
   829,608/1,819,920 = 1,819,920/x
3. Step 3: Cross multiply
   829,608x = 1,819,920 × 1,819,920
4. Step 4: Simplify right side
   829,608x = 3,312,108,806,400
5. Step 5: Solve for x
   x = 3,312,108,806,400/829,608
6. Step 6: Final answer
   x = 3,992,378.09