Finding the Third Proportional to 17,605.69 and 39,147.19

Step by Step Solution

1. Step 1: Write the proportion equation
   17,605.69 : 39,147.19 = 39,147.19 : x
2. Step 2: Convert to fraction form
   17,605.69/39,147.19 = 39,147.19/x
3. Step 3: Cross multiply
   17,605.69x = 39,147.19 × 39,147.19
4. Step 4: Simplify right side
   17,605.69x = 1,532,502,289.16
5. Step 5: Solve for x
   x = 1,532,502,289.16/17,605.69
6. Step 6: Final answer
   x = 87,045.86