Finding the Third Proportional to 262,320 and 562,860

Step by Step Solution

1. Step 1: Write the proportion equation
   262,320 : 562,860 = 562,860 : x
2. Step 2: Convert to fraction form
   262,320/562,860 = 562,860/x
3. Step 3: Cross multiply
   262,320x = 562,860 × 562,860
4. Step 4: Simplify right side
   262,320x = 316,811,379,600
5. Step 5: Solve for x
   x = 316,811,379,600/262,320
6. Step 6: Final answer
   x = 1,207,728.65