Finding the Third Proportional to 17,870 and 27,189

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870 : 27,189 = 27,189 : x
2. Step 2: Convert to fraction form
   17,870/27,189 = 27,189/x
3. Step 3: Cross multiply
   17,870x = 27,189 × 27,189
4. Step 4: Simplify right side
   17,870x = 739,241,721
5. Step 5: Solve for x
   x = 739,241,721/17,870
6. Step 6: Final answer
   x = 41,367.75