Finding the Third Proportional to 261,776.81 and 568,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   261,776.81 : 568,513.69 = 568,513.69 : x
2. Step 2: Convert to fraction form
   261,776.81/568,513.69 = 568,513.69/x
3. Step 3: Cross multiply
   261,776.81x = 568,513.69 × 568,513.69
4. Step 4: Simplify right side
   261,776.81x = 323,207,812,874.85
5. Step 5: Solve for x
   x = 323,207,812,874.85/261,776.81
6. Step 6: Final answer
   x = 1,234,669.37