Finding the Third Proportional to 12,836.81 and 17,170.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,836.81 : 17,170.31 = 17,170.31 : x
2. Step 2: Convert to fraction form
   12,836.81/17,170.31 = 17,170.31/x
3. Step 3: Cross multiply
   12,836.81x = 17,170.31 × 17,170.31
4. Step 4: Simplify right side
   12,836.81x = 294,819,631.35
5. Step 5: Solve for x
   x = 294,819,631.35/12,836.81
6. Step 6: Final answer
   x = 22,966.73