Finding the Third Proportional to 9,031.50 and 12,668.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.50 : 12,668.06 = 12,668.06 : x
2. Step 2: Convert to fraction form
   9,031.50/12,668.06 = 12,668.06/x
3. Step 3: Cross multiply
   9,031.50x = 12,668.06 × 12,668.06
4. Step 4: Simplify right side
   9,031.50x = 160,479,807.50
5. Step 5: Solve for x
   x = 160,479,807.50/9,031.50
6. Step 6: Final answer
   x = 17,768.90