Finding the Third Proportional to 1,822,970 and 3,928,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,970 : 3,928,556 = 3,928,556 : x
2. Step 2: Convert to fraction form
   1,822,970/3,928,556 = 3,928,556/x
3. Step 3: Cross multiply
   1,822,970x = 3,928,556 × 3,928,556
4. Step 4: Simplify right side
   1,822,970x = 15,433,552,245,136
5. Step 5: Solve for x
   x = 15,433,552,245,136/1,822,970
6. Step 6: Final answer
   x = 8,466,158.11