Finding the Third Proportional to 91,909.69 and 131,668.03

Step by Step Solution

1. Step 1: Write the proportion equation
   91,909.69 : 131,668.03 = 131,668.03 : x
2. Step 2: Convert to fraction form
   91,909.69/131,668.03 = 131,668.03/x
3. Step 3: Cross multiply
   91,909.69x = 131,668.03 × 131,668.03
4. Step 4: Simplify right side
   91,909.69x = 17,336,470,453.25
5. Step 5: Solve for x
   x = 17,336,470,453.25/91,909.69
6. Step 6: Final answer
   x = 188,625.06