Finding the Third Proportional to 9,886 and 21,595

Step by Step Solution

1. Step 1: Write the proportion equation
   9,886 : 21,595 = 21,595 : x
2. Step 2: Convert to fraction form
   9,886/21,595 = 21,595/x
3. Step 3: Cross multiply
   9,886x = 21,595 × 21,595
4. Step 4: Simplify right side
   9,886x = 466,344,025
5. Step 5: Solve for x
   x = 466,344,025/9,886
6. Step 6: Final answer
   x = 47,172.17