Finding the Third Proportional to 694,404 and 1,521,756

Step by Step Solution

1. Step 1: Write the proportion equation
   694,404 : 1,521,756 = 1,521,756 : x
2. Step 2: Convert to fraction form
   694,404/1,521,756 = 1,521,756/x
3. Step 3: Cross multiply
   694,404x = 1,521,756 × 1,521,756
4. Step 4: Simplify right side
   694,404x = 2,315,741,323,536
5. Step 5: Solve for x
   x = 2,315,741,323,536/694,404
6. Step 6: Final answer
   x = 3,334,861.73