Finding the Third Proportional to 694,260 and 1,521,684

Step by Step Solution

1. Step 1: Write the proportion equation
   694,260 : 1,521,684 = 1,521,684 : x
2. Step 2: Convert to fraction form
   694,260/1,521,684 = 1,521,684/x
3. Step 3: Cross multiply
   694,260x = 1,521,684 × 1,521,684
4. Step 4: Simplify right side
   694,260x = 2,315,522,195,856
5. Step 5: Solve for x
   x = 2,315,522,195,856/694,260
6. Step 6: Final answer
   x = 3,335,237.80