Finding the Third Proportional to 1,397,868 and 3,285,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,868 : 3,285,774 = 3,285,774 : x
2. Step 2: Convert to fraction form
   1,397,868/3,285,774 = 3,285,774/x
3. Step 3: Cross multiply
   1,397,868x = 3,285,774 × 3,285,774
4. Step 4: Simplify right side
   1,397,868x = 10,796,310,779,076
5. Step 5: Solve for x
   x = 10,796,310,779,076/1,397,868
6. Step 6: Final answer
   x = 7,723,412.21