Finding the Third Proportional to 3,663.56 and 7,144.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.56 : 7,144.03 = 7,144.03 : x
2. Step 2: Convert to fraction form
   3,663.56/7,144.03 = 7,144.03/x
3. Step 3: Cross multiply
   3,663.56x = 7,144.03 × 7,144.03
4. Step 4: Simplify right side
   3,663.56x = 51,037,182.50
5. Step 5: Solve for x
   x = 51,037,182.50/3,663.56
6. Step 6: Final answer
   x = 13,931.03