Finding the Third Proportional to 1,394,832 and 2,155,338

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,832 : 2,155,338 = 2,155,338 : x
2. Step 2: Convert to fraction form
   1,394,832/2,155,338 = 2,155,338/x
3. Step 3: Cross multiply
   1,394,832x = 2,155,338 × 2,155,338
4. Step 4: Simplify right side
   1,394,832x = 4,645,481,894,244
5. Step 5: Solve for x
   x = 4,645,481,894,244/1,394,832
6. Step 6: Final answer
   x = 3,330,495.64