Finding the Third Proportional to 1,822,796 and 3,988,704

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,796 : 3,988,704 = 3,988,704 : x
2. Step 2: Convert to fraction form
   1,822,796/3,988,704 = 3,988,704/x
3. Step 3: Cross multiply
   1,822,796x = 3,988,704 × 3,988,704
4. Step 4: Simplify right side
   1,822,796x = 15,909,759,599,616
5. Step 5: Solve for x
   x = 15,909,759,599,616/1,822,796
6. Step 6: Final answer
   x = 8,728,217.31