Finding the Third Proportional to 1,303 and 2,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303 : 2,018.50 = 2,018.50 : x
2. Step 2: Convert to fraction form
   1,303/2,018.50 = 2,018.50/x
3. Step 3: Cross multiply
   1,303x = 2,018.50 × 2,018.50
4. Step 4: Simplify right side
   1,303x = 4,074,342.25
5. Step 5: Solve for x
   x = 4,074,342.25/1,303
6. Step 6: Final answer
   x = 3,126.89