Finding the Third Proportional to 606,864 and 1,324,320

Step by Step Solution

1. Step 1: Write the proportion equation
   606,864 : 1,324,320 = 1,324,320 : x
2. Step 2: Convert to fraction form
   606,864/1,324,320 = 1,324,320/x
3. Step 3: Cross multiply
   606,864x = 1,324,320 × 1,324,320
4. Step 4: Simplify right side
   606,864x = 1,753,823,462,400
5. Step 5: Solve for x
   x = 1,753,823,462,400/606,864
6. Step 6: Final answer
   x = 2,889,977.76