Finding the Third Proportional to 1,822,746 and 3,988,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,746 : 3,988,608 = 3,988,608 : x
2. Step 2: Convert to fraction form
   1,822,746/3,988,608 = 3,988,608/x
3. Step 3: Cross multiply
   1,822,746x = 3,988,608 × 3,988,608
4. Step 4: Simplify right side
   1,822,746x = 15,908,993,777,664
5. Step 5: Solve for x
   x = 15,908,993,777,664/1,822,746
6. Step 6: Final answer
   x = 8,728,036.59