Finding the Third Proportional to 2,491.88 and 5,222.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.88 : 5,222.25 = 5,222.25 : x
2. Step 2: Convert to fraction form
   2,491.88/5,222.25 = 5,222.25/x
3. Step 3: Cross multiply
   2,491.88x = 5,222.25 × 5,222.25
4. Step 4: Simplify right side
   2,491.88x = 27,271,895.06
5. Step 5: Solve for x
   x = 27,271,895.06/2,491.88
6. Step 6: Final answer
   x = 10,944.33