Finding the Third Proportional to 1,822,892 and 3,989,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,892 : 3,989,020 = 3,989,020 : x
2. Step 2: Convert to fraction form
   1,822,892/3,989,020 = 3,989,020/x
3. Step 3: Cross multiply
   1,822,892x = 3,989,020 × 3,989,020
4. Step 4: Simplify right side
   1,822,892x = 15,912,280,560,400
5. Step 5: Solve for x
   x = 15,912,280,560,400/1,822,892
6. Step 6: Final answer
   x = 8,729,140.60