Finding the Third Proportional to 1,284.75 and 2,667.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284.75 : 2,667.09 = 2,667.09 : x
2. Step 2: Convert to fraction form
   1,284.75/2,667.09 = 2,667.09/x
3. Step 3: Cross multiply
   1,284.75x = 2,667.09 × 2,667.09
4. Step 4: Simplify right side
   1,284.75x = 7,113,389.07
5. Step 5: Solve for x
   x = 7,113,389.07/1,284.75
6. Step 6: Final answer
   x = 5,536.79