Finding the Third Proportional to 1,822,752 and 3,988,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,752 : 3,988,780 = 3,988,780 : x
2. Step 2: Convert to fraction form
   1,822,752/3,988,780 = 3,988,780/x
3. Step 3: Cross multiply
   1,822,752x = 3,988,780 × 3,988,780
4. Step 4: Simplify right side
   1,822,752x = 15,910,365,888,400
5. Step 5: Solve for x
   x = 15,910,365,888,400/1,822,752
6. Step 6: Final answer
   x = 8,728,760.63