Finding the Third Proportional to 1,438,394 and 2,183,834

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,394 : 2,183,834 = 2,183,834 : x
2. Step 2: Convert to fraction form
   1,438,394/2,183,834 = 2,183,834/x
3. Step 3: Cross multiply
   1,438,394x = 2,183,834 × 2,183,834
4. Step 4: Simplify right side
   1,438,394x = 4,769,130,939,556
5. Step 5: Solve for x
   x = 4,769,130,939,556/1,438,394
6. Step 6: Final answer
   x = 3,315,594.29