Finding the Third Proportional to 940,438 and 1,408,470

Step by Step Solution

1. Step 1: Write the proportion equation
   940,438 : 1,408,470 = 1,408,470 : x
2. Step 2: Convert to fraction form
   940,438/1,408,470 = 1,408,470/x
3. Step 3: Cross multiply
   940,438x = 1,408,470 × 1,408,470
4. Step 4: Simplify right side
   940,438x = 1,983,787,740,900
5. Step 5: Solve for x
   x = 1,983,787,740,900/940,438
6. Step 6: Final answer
   x = 2,109,429.59