Finding the Third Proportional to 1,438,920 and 2,078,823

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,920 : 2,078,823 = 2,078,823 : x
2. Step 2: Convert to fraction form
   1,438,920/2,078,823 = 2,078,823/x
3. Step 3: Cross multiply
   1,438,920x = 2,078,823 × 2,078,823
4. Step 4: Simplify right side
   1,438,920x = 4,321,505,065,329
5. Step 5: Solve for x
   x = 4,321,505,065,329/1,438,920
6. Step 6: Final answer
   x = 3,003,297.66