Finding the Third Proportional to 939,908 and 1,339,878

Step by Step Solution

1. Step 1: Write the proportion equation
   939,908 : 1,339,878 = 1,339,878 : x
2. Step 2: Convert to fraction form
   939,908/1,339,878 = 1,339,878/x
3. Step 3: Cross multiply
   939,908x = 1,339,878 × 1,339,878
4. Step 4: Simplify right side
   939,908x = 1,795,273,054,884
5. Step 5: Solve for x
   x = 1,795,273,054,884/939,908
6. Step 6: Final answer
   x = 1,910,051.89