Finding the Third Proportional to 694,287 and 1,521,738

Step by Step Solution

1. Step 1: Write the proportion equation
   694,287 : 1,521,738 = 1,521,738 : x
2. Step 2: Convert to fraction form
   694,287/1,521,738 = 1,521,738/x
3. Step 3: Cross multiply
   694,287x = 1,521,738 × 1,521,738
4. Step 4: Simplify right side
   694,287x = 2,315,686,540,644
5. Step 5: Solve for x
   x = 2,315,686,540,644/694,287
6. Step 6: Final answer
   x = 3,335,344.81