Finding the Third Proportional to 939,840 and 1,410,048

Step by Step Solution

1. Step 1: Write the proportion equation
   939,840 : 1,410,048 = 1,410,048 : x
2. Step 2: Convert to fraction form
   939,840/1,410,048 = 1,410,048/x
3. Step 3: Cross multiply
   939,840x = 1,410,048 × 1,410,048
4. Step 4: Simplify right side
   939,840x = 1,988,235,362,304
5. Step 5: Solve for x
   x = 1,988,235,362,304/939,840
6. Step 6: Final answer
   x = 2,115,504.09