Finding the Third Proportional to 1,177,286 and 1,822,521

Step by Step Solution

1. Step 1: Write the proportion equation
   1,177,286 : 1,822,521 = 1,822,521 : x
2. Step 2: Convert to fraction form
   1,177,286/1,822,521 = 1,822,521/x
3. Step 3: Cross multiply
   1,177,286x = 1,822,521 × 1,822,521
4. Step 4: Simplify right side
   1,177,286x = 3,321,582,795,441
5. Step 5: Solve for x
   x = 3,321,582,795,441/1,177,286
6. Step 6: Final answer
   x = 2,821,389.87