Finding the Third Proportional to 1,806.05 and 3,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.05 : 3,667.78 = 3,667.78 : x
2. Step 2: Convert to fraction form
   1,806.05/3,667.78 = 3,667.78/x
3. Step 3: Cross multiply
   1,806.05x = 3,667.78 × 3,667.78
4. Step 4: Simplify right side
   1,806.05x = 13,452,619.30
5. Step 5: Solve for x
   x = 13,452,619.30/1,806.05
6. Step 6: Final answer
   x = 7,448.65