Finding the Third Proportional to 3,636.28 and 7,425.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.28 : 7,425.56 = 7,425.56 : x
2. Step 2: Convert to fraction form
   3,636.28/7,425.56 = 7,425.56/x
3. Step 3: Cross multiply
   3,636.28x = 7,425.56 × 7,425.56
4. Step 4: Simplify right side
   3,636.28x = 55,138,978.44
5. Step 5: Solve for x
   x = 55,138,978.44/3,636.28
6. Step 6: Final answer
   x = 15,163.56