Finding the Third Proportional to 1,332,288 and 2,713,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,332,288 : 2,713,920 = 2,713,920 : x
2. Step 2: Convert to fraction form
   1,332,288/2,713,920 = 2,713,920/x
3. Step 3: Cross multiply
   1,332,288x = 2,713,920 × 2,713,920
4. Step 4: Simplify right side
   1,332,288x = 7,365,361,766,400
5. Step 5: Solve for x
   x = 7,365,361,766,400/1,332,288
6. Step 6: Final answer
   x = 5,528,355.56