Finding the Third Proportional to 2,278.13 and 3,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278.13 : 3,667.78 = 3,667.78 : x
2. Step 2: Convert to fraction form
   2,278.13/3,667.78 = 3,667.78/x
3. Step 3: Cross multiply
   2,278.13x = 3,667.78 × 3,667.78
4. Step 4: Simplify right side
   2,278.13x = 13,452,619.30
5. Step 5: Solve for x
   x = 13,452,619.30/2,278.13
6. Step 6: Final answer
   x = 5,905.13