Finding the Third Proportional to 5,815.41 and 12,736.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,815.41 : 12,736.69 = 12,736.69 : x
2. Step 2: Convert to fraction form
   5,815.41/12,736.69 = 12,736.69/x
3. Step 3: Cross multiply
   5,815.41x = 12,736.69 × 12,736.69
4. Step 4: Simplify right side
   5,815.41x = 162,223,208.47
5. Step 5: Solve for x
   x = 162,223,208.47/5,815.41
6. Step 6: Final answer
   x = 27,895.42