Finding the Third Proportional to 361,240 and 562,540

Step by Step Solution

1. Step 1: Write the proportion equation
   361,240 : 562,540 = 562,540 : x
2. Step 2: Convert to fraction form
   361,240/562,540 = 562,540/x
3. Step 3: Cross multiply
   361,240x = 562,540 × 562,540
4. Step 4: Simplify right side
   361,240x = 316,451,251,600
5. Step 5: Solve for x
   x = 316,451,251,600/361,240
6. Step 6: Final answer
   x = 876,013.87