Finding the Third Proportional to 2,611.49 and 5,716.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.49 : 5,716.42 = 5,716.42 : x
2. Step 2: Convert to fraction form
   2,611.49/5,716.42 = 5,716.42/x
3. Step 3: Cross multiply
   2,611.49x = 5,716.42 × 5,716.42
4. Step 4: Simplify right side
   2,611.49x = 32,677,479.05
5. Step 5: Solve for x
   x = 32,677,479.05/2,611.49
6. Step 6: Final answer
   x = 12,512.95