Finding the Third Proportional to 8,886 and 13,521

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886 : 13,521 = 13,521 : x
2. Step 2: Convert to fraction form
   8,886/13,521 = 13,521/x
3. Step 3: Cross multiply
   8,886x = 13,521 × 13,521
4. Step 4: Simplify right side
   8,886x = 182,817,441
5. Step 5: Solve for x
   x = 182,817,441/8,886
6. Step 6: Final answer
   x = 20,573.65