Finding the Third Proportional to 11,931 and 17,889

Step by Step Solution

1. Step 1: Write the proportion equation
   11,931 : 17,889 = 17,889 : x
2. Step 2: Convert to fraction form
   11,931/17,889 = 17,889/x
3. Step 3: Cross multiply
   11,931x = 17,889 × 17,889
4. Step 4: Simplify right side
   11,931x = 320,016,321
5. Step 5: Solve for x
   x = 320,016,321/11,931
6. Step 6: Final answer
   x = 26,822.25