Finding the Third Proportional to 1,366,774 and 2,121,794

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,774 : 2,121,794 = 2,121,794 : x
2. Step 2: Convert to fraction form
   1,366,774/2,121,794 = 2,121,794/x
3. Step 3: Cross multiply
   1,366,774x = 2,121,794 × 2,121,794
4. Step 4: Simplify right side
   1,366,774x = 4,502,009,778,436
5. Step 5: Solve for x
   x = 4,502,009,778,436/1,366,774
6. Step 6: Final answer
   x = 3,293,894.81