Finding the Third Proportional to 694,284 and 1,521,728

Step by Step Solution

1. Step 1: Write the proportion equation
   694,284 : 1,521,728 = 1,521,728 : x
2. Step 2: Convert to fraction form
   694,284/1,521,728 = 1,521,728/x
3. Step 3: Cross multiply
   694,284x = 1,521,728 × 1,521,728
4. Step 4: Simplify right side
   694,284x = 2,315,656,105,984
5. Step 5: Solve for x
   x = 2,315,656,105,984/694,284
6. Step 6: Final answer
   x = 3,335,315.38