Finding the Third Proportional to 2,018.25 and 2,978.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.25 : 2,978.44 = 2,978.44 : x
2. Step 2: Convert to fraction form
   2,018.25/2,978.44 = 2,978.44/x
3. Step 3: Cross multiply
   2,018.25x = 2,978.44 × 2,978.44
4. Step 4: Simplify right side
   2,018.25x = 8,871,089.94
5. Step 5: Solve for x
   x = 8,871,089.94/2,018.25
6. Step 6: Final answer
   x = 4,395.44