Finding the Third Proportional to 264,636 and 581,760

Step by Step Solution

1. Step 1: Write the proportion equation
   264,636 : 581,760 = 581,760 : x
2. Step 2: Convert to fraction form
   264,636/581,760 = 581,760/x
3. Step 3: Cross multiply
   264,636x = 581,760 × 581,760
4. Step 4: Simplify right side
   264,636x = 338,444,697,600
5. Step 5: Solve for x
   x = 338,444,697,600/264,636
6. Step 6: Final answer
   x = 1,278,906.49