Finding the Third Proportional to 939,920 and 1,339,896

Step by Step Solution

1. Step 1: Write the proportion equation
   939,920 : 1,339,896 = 1,339,896 : x
2. Step 2: Convert to fraction form
   939,920/1,339,896 = 1,339,896/x
3. Step 3: Cross multiply
   939,920x = 1,339,896 × 1,339,896
4. Step 4: Simplify right side
   939,920x = 1,795,321,290,816
5. Step 5: Solve for x
   x = 1,795,321,290,816/939,920
6. Step 6: Final answer
   x = 1,910,078.83