Finding the Third Proportional to 264,506 and 581,500

Step by Step Solution

1. Step 1: Write the proportion equation
   264,506 : 581,500 = 581,500 : x
2. Step 2: Convert to fraction form
   264,506/581,500 = 581,500/x
3. Step 3: Cross multiply
   264,506x = 581,500 × 581,500
4. Step 4: Simplify right side
   264,506x = 338,142,250,000
5. Step 5: Solve for x
   x = 338,142,250,000/264,506
6. Step 6: Final answer
   x = 1,278,391.61