Finding the Third Proportional to 3,667.50 and 8,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.50 : 8,080.50 = 8,080.50 : x
2. Step 2: Convert to fraction form
   3,667.50/8,080.50 = 8,080.50/x
3. Step 3: Cross multiply
   3,667.50x = 8,080.50 × 8,080.50
4. Step 4: Simplify right side
   3,667.50x = 65,294,480.25
5. Step 5: Solve for x
   x = 65,294,480.25/3,667.50
6. Step 6: Final answer
   x = 17,803.54