Finding the Third Proportional to 1,822,040 and 4,218,096

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,040 : 4,218,096 = 4,218,096 : x
2. Step 2: Convert to fraction form
   1,822,040/4,218,096 = 4,218,096/x
3. Step 3: Cross multiply
   1,822,040x = 4,218,096 × 4,218,096
4. Step 4: Simplify right side
   1,822,040x = 17,792,333,865,216
5. Step 5: Solve for x
   x = 17,792,333,865,216/1,822,040
6. Step 6: Final answer
   x = 9,765,062.16