Finding the Third Proportional to 2,491.75 and 3,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.75 : 3,629.50 = 3,629.50 : x
2. Step 2: Convert to fraction form
   2,491.75/3,629.50 = 3,629.50/x
3. Step 3: Cross multiply
   2,491.75x = 3,629.50 × 3,629.50
4. Step 4: Simplify right side
   2,491.75x = 13,173,270.25
5. Step 5: Solve for x
   x = 13,173,270.25/2,491.75
6. Step 6: Final answer
   x = 5,286.75