Finding the Third Proportional to 2,018.63 and 4,356.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.63 : 4,356.38 = 4,356.38 : x
2. Step 2: Convert to fraction form
   2,018.63/4,356.38 = 4,356.38/x
3. Step 3: Cross multiply
   2,018.63x = 4,356.38 × 4,356.38
4. Step 4: Simplify right side
   2,018.63x = 18,978,003.14
5. Step 5: Solve for x
   x = 18,978,003.14/2,018.63
6. Step 6: Final answer
   x = 9,401.45