Finding the Third Proportional to 8,634.52 and 12,668.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,634.52 : 12,668.48 = 12,668.48 : x
2. Step 2: Convert to fraction form
   8,634.52/12,668.48 = 12,668.48/x
3. Step 3: Cross multiply
   8,634.52x = 12,668.48 × 12,668.48
4. Step 4: Simplify right side
   8,634.52x = 160,490,496.36
5. Step 5: Solve for x
   x = 160,490,496.36/8,634.52
6. Step 6: Final answer
   x = 18,587.09