Finding the Third Proportional to 3,257.72 and 7,130.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,257.72 : 7,130.53 = 7,130.53 : x
2. Step 2: Convert to fraction form
   3,257.72/7,130.53 = 7,130.53/x
3. Step 3: Cross multiply
   3,257.72x = 7,130.53 × 7,130.53
4. Step 4: Simplify right side
   3,257.72x = 50,844,475.91
5. Step 5: Solve for x
   x = 50,844,475.91/3,257.72
6. Step 6: Final answer
   x = 15,607.39