Finding the Third Proportional to 1,338,800 and 2,039,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,800 : 2,039,604 = 2,039,604 : x
2. Step 2: Convert to fraction form
   1,338,800/2,039,604 = 2,039,604/x
3. Step 3: Cross multiply
   1,338,800x = 2,039,604 × 2,039,604
4. Step 4: Simplify right side
   1,338,800x = 4,159,984,476,816
5. Step 5: Solve for x
   x = 4,159,984,476,816/1,338,800
6. Step 6: Final answer
   x = 3,107,248.64