Finding the Third Proportional to 9,613.69 and 13,668.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,613.69 : 13,668.75 = 13,668.75 : x
2. Step 2: Convert to fraction form
   9,613.69/13,668.75 = 13,668.75/x
3. Step 3: Cross multiply
   9,613.69x = 13,668.75 × 13,668.75
4. Step 4: Simplify right side
   9,613.69x = 186,834,726.56
5. Step 5: Solve for x
   x = 186,834,726.56/9,613.69
6. Step 6: Final answer
   x = 19,434.24