Finding the Third Proportional to 1,822,668 and 3,988,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,668 : 3,988,464 = 3,988,464 : x
2. Step 2: Convert to fraction form
   1,822,668/3,988,464 = 3,988,464/x
3. Step 3: Cross multiply
   1,822,668x = 3,988,464 × 3,988,464
4. Step 4: Simplify right side
   1,822,668x = 15,907,845,079,296
5. Step 5: Solve for x
   x = 15,907,845,079,296/1,822,668
6. Step 6: Final answer
   x = 8,727,779.87