Finding the Third Proportional to 8,606.25 and 11,613.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,606.25 : 11,613.38 = 11,613.38 : x
2. Step 2: Convert to fraction form
   8,606.25/11,613.38 = 11,613.38/x
3. Step 3: Cross multiply
   8,606.25x = 11,613.38 × 11,613.38
4. Step 4: Simplify right side
   8,606.25x = 134,870,478.89
5. Step 5: Solve for x
   x = 134,870,478.89/8,606.25
6. Step 6: Final answer
   x = 15,671.22