Finding the Third Proportional to 2,666.67 and 5,773.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.67 : 5,773.78 = 5,773.78 : x
2. Step 2: Convert to fraction form
   2,666.67/5,773.78 = 5,773.78/x
3. Step 3: Cross multiply
   2,666.67x = 5,773.78 × 5,773.78
4. Step 4: Simplify right side
   2,666.67x = 33,336,549.92
5. Step 5: Solve for x
   x = 33,336,549.92/2,666.67
6. Step 6: Final answer
   x = 12,501.18