Finding the Third Proportional to 1,822,745 and 3,988,768

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,745 : 3,988,768 = 3,988,768 : x
2. Step 2: Convert to fraction form
   1,822,745/3,988,768 = 3,988,768/x
3. Step 3: Cross multiply
   1,822,745x = 3,988,768 × 3,988,768
4. Step 4: Simplify right side
   1,822,745x = 15,910,270,157,824
5. Step 5: Solve for x
   x = 15,910,270,157,824/1,822,745
6. Step 6: Final answer
   x = 8,728,741.63