Finding the Third Proportional to 2,531.81 and 5,266.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.81 : 5,266.69 = 5,266.69 : x
2. Step 2: Convert to fraction form
   2,531.81/5,266.69 = 5,266.69/x
3. Step 3: Cross multiply
   2,531.81x = 5,266.69 × 5,266.69
4. Step 4: Simplify right side
   2,531.81x = 27,737,997.22
5. Step 5: Solve for x
   x = 27,737,997.22/2,531.81
6. Step 6: Final answer
   x = 10,955.79