Finding the Third Proportional to 264,284 and 550,456

Step by Step Solution

1. Step 1: Write the proportion equation
   264,284 : 550,456 = 550,456 : x
2. Step 2: Convert to fraction form
   264,284/550,456 = 550,456/x
3. Step 3: Cross multiply
   264,284x = 550,456 × 550,456
4. Step 4: Simplify right side
   264,284x = 303,001,807,936
5. Step 5: Solve for x
   x = 303,001,807,936/264,284
6. Step 6: Final answer
   x = 1,146,500.76