Finding the Third Proportional to 1,284.75 and 1,717.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284.75 : 1,717.88 = 1,717.88 : x
2. Step 2: Convert to fraction form
   1,284.75/1,717.88 = 1,717.88/x
3. Step 3: Cross multiply
   1,284.75x = 1,717.88 × 1,717.88
4. Step 4: Simplify right side
   1,284.75x = 2,951,094.52
5. Step 5: Solve for x
   x = 2,951,094.52/1,284.75
6. Step 6: Final answer
   x = 2,297.02