Finding the Third Proportional to 1,822,792 and 3,988,696

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,792 : 3,988,696 = 3,988,696 : x
2. Step 2: Convert to fraction form
   1,822,792/3,988,696 = 3,988,696/x
3. Step 3: Cross multiply
   1,822,792x = 3,988,696 × 3,988,696
4. Step 4: Simplify right side
   1,822,792x = 15,909,695,780,416
5. Step 5: Solve for x
   x = 15,909,695,780,416/1,822,792
6. Step 6: Final answer
   x = 8,728,201.45