Finding the Third Proportional to 2,756.53 and 3,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.53 : 3,667.78 = 3,667.78 : x
2. Step 2: Convert to fraction form
   2,756.53/3,667.78 = 3,667.78/x
3. Step 3: Cross multiply
   2,756.53x = 3,667.78 × 3,667.78
4. Step 4: Simplify right side
   2,756.53x = 13,452,619.30
5. Step 5: Solve for x
   x = 13,452,619.30/2,756.53
6. Step 6: Final answer
   x = 4,880.27