Finding the Third Proportional to 262,406 and 551,250

Step by Step Solution

1. Step 1: Write the proportion equation
   262,406 : 551,250 = 551,250 : x
2. Step 2: Convert to fraction form
   262,406/551,250 = 551,250/x
3. Step 3: Cross multiply
   262,406x = 551,250 × 551,250
4. Step 4: Simplify right side
   262,406x = 303,876,562,500
5. Step 5: Solve for x
   x = 303,876,562,500/262,406
6. Step 6: Final answer
   x = 1,158,039.69