Finding the Third Proportional to 3,667.50 and 8,605.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.50 : 8,605.13 = 8,605.13 : x
2. Step 2: Convert to fraction form
   3,667.50/8,605.13 = 8,605.13/x
3. Step 3: Cross multiply
   3,667.50x = 8,605.13 × 8,605.13
4. Step 4: Simplify right side
   3,667.50x = 74,048,176.27
5. Step 5: Solve for x
   x = 74,048,176.27/3,667.50
6. Step 6: Final answer
   x = 20,190.37