Finding the Third Proportional to 2,766.94 and 3,911.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.94 : 3,911.63 = 3,911.63 : x
2. Step 2: Convert to fraction form
   2,766.94/3,911.63 = 3,911.63/x
3. Step 3: Cross multiply
   2,766.94x = 3,911.63 × 3,911.63
4. Step 4: Simplify right side
   2,766.94x = 15,300,810.14
5. Step 5: Solve for x
   x = 15,300,810.14/2,766.94
6. Step 6: Final answer
   x = 5,529.87