Finding the Third Proportional to 17,888.72 and 26,286.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,888.72 : 26,286.09 = 26,286.09 : x
2. Step 2: Convert to fraction form
   17,888.72/26,286.09 = 26,286.09/x
3. Step 3: Cross multiply
   17,888.72x = 26,286.09 × 26,286.09
4. Step 4: Simplify right side
   17,888.72x = 690,958,724.63
5. Step 5: Solve for x
   x = 690,958,724.63/17,888.72
6. Step 6: Final answer
   x = 38,625.39