Finding the Third Proportional to 223,328 and 486,814

Step by Step Solution

1. Step 1: Write the proportion equation
   223,328 : 486,814 = 486,814 : x
2. Step 2: Convert to fraction form
   223,328/486,814 = 486,814/x
3. Step 3: Cross multiply
   223,328x = 486,814 × 486,814
4. Step 4: Simplify right side
   223,328x = 236,987,870,596
5. Step 5: Solve for x
   x = 236,987,870,596/223,328
6. Step 6: Final answer
   x = 1,061,165.06