Finding the Third Proportional to 2,513 and 5,225.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513 : 5,225.50 = 5,225.50 : x
2. Step 2: Convert to fraction form
   2,513/5,225.50 = 5,225.50/x
3. Step 3: Cross multiply
   2,513x = 5,225.50 × 5,225.50
4. Step 4: Simplify right side
   2,513x = 27,305,850.25
5. Step 5: Solve for x
   x = 27,305,850.25/2,513
6. Step 6: Final answer
   x = 10,865.84