Finding the Third Proportional to 1,822,882 and 3,989,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,882 : 3,989,000 = 3,989,000 : x
2. Step 2: Convert to fraction form
   1,822,882/3,989,000 = 3,989,000/x
3. Step 3: Cross multiply
   1,822,882x = 3,989,000 × 3,989,000
4. Step 4: Simplify right side
   1,822,882x = 15,912,121,000,000
5. Step 5: Solve for x
   x = 15,912,121,000,000/1,822,882
6. Step 6: Final answer
   x = 8,729,100.95