Finding the Third Proportional to 2,018.81 and 4,037.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.81 : 4,037.63 = 4,037.63 : x
2. Step 2: Convert to fraction form
   2,018.81/4,037.63 = 4,037.63/x
3. Step 3: Cross multiply
   2,018.81x = 4,037.63 × 4,037.63
4. Step 4: Simplify right side
   2,018.81x = 16,302,415.64
5. Step 5: Solve for x
   x = 16,302,415.64/2,018.81
6. Step 6: Final answer
   x = 8,075.25