Finding the Third Proportional to 12,256.69 and 26,457.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,256.69 : 26,457.38 = 26,457.38 : x
2. Step 2: Convert to fraction form
   12,256.69/26,457.38 = 26,457.38/x
3. Step 3: Cross multiply
   12,256.69x = 26,457.38 × 26,457.38
4. Step 4: Simplify right side
   12,256.69x = 699,992,691.89
5. Step 5: Solve for x
   x = 699,992,691.89/12,256.69
6. Step 6: Final answer
   x = 57,111.08