Finding the Third Proportional to 940,434 and 1,408,464

Step by Step Solution

1. Step 1: Write the proportion equation
   940,434 : 1,408,464 = 1,408,464 : x
2. Step 2: Convert to fraction form
   940,434/1,408,464 = 1,408,464/x
3. Step 3: Cross multiply
   940,434x = 1,408,464 × 1,408,464
4. Step 4: Simplify right side
   940,434x = 1,983,770,839,296
5. Step 5: Solve for x
   x = 1,983,770,839,296/940,434
6. Step 6: Final answer
   x = 2,109,420.59