Finding the Third Proportional to 11,559 and 17,859

Step by Step Solution

1. Step 1: Write the proportion equation
   11,559 : 17,859 = 17,859 : x
2. Step 2: Convert to fraction form
   11,559/17,859 = 17,859/x
3. Step 3: Cross multiply
   11,559x = 17,859 × 17,859
4. Step 4: Simplify right side
   11,559x = 318,943,881
5. Step 5: Solve for x
   x = 318,943,881/11,559
6. Step 6: Final answer
   x = 27,592.69