Finding the Third Proportional to 939,904 and 1,339,872

Step by Step Solution

1. Step 1: Write the proportion equation
   939,904 : 1,339,872 = 1,339,872 : x
2. Step 2: Convert to fraction form
   939,904/1,339,872 = 1,339,872/x
3. Step 3: Cross multiply
   939,904x = 1,339,872 × 1,339,872
4. Step 4: Simplify right side
   939,904x = 1,795,256,976,384
5. Step 5: Solve for x
   x = 1,795,256,976,384/939,904
6. Step 6: Final answer
   x = 1,910,042.92