Finding the Third Proportional to 2,783.11 and 5,771.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.11 : 5,771.25 = 5,771.25 : x
2. Step 2: Convert to fraction form
   2,783.11/5,771.25 = 5,771.25/x
3. Step 3: Cross multiply
   2,783.11x = 5,771.25 × 5,771.25
4. Step 4: Simplify right side
   2,783.11x = 33,307,326.56
5. Step 5: Solve for x
   x = 33,307,326.56/2,783.11
6. Step 6: Final answer
   x = 11,967.67