Finding the Third Proportional to 13,196.81 and 26,930.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.81 : 26,930.81 = 26,930.81 : x
2. Step 2: Convert to fraction form
   13,196.81/26,930.81 = 26,930.81/x
3. Step 3: Cross multiply
   13,196.81x = 26,930.81 × 26,930.81
4. Step 4: Simplify right side
   13,196.81x = 725,268,661.91
5. Step 5: Solve for x
   x = 725,268,661.91/13,196.81
6. Step 6: Final answer
   x = 54,957.87