Finding the Third Proportional to 11,377.25 and 17,809

Step by Step Solution

1. Step 1: Write the proportion equation
   11,377.25 : 17,809 = 17,809 : x
2. Step 2: Convert to fraction form
   11,377.25/17,809 = 17,809/x
3. Step 3: Cross multiply
   11,377.25x = 17,809 × 17,809
4. Step 4: Simplify right side
   11,377.25x = 317,160,481
5. Step 5: Solve for x
   x = 317,160,481/11,377.25
6. Step 6: Final answer
   x = 27,876.73