Finding the Third Proportional to 9,886 and 21,068

Step by Step Solution

1. Step 1: Write the proportion equation
   9,886 : 21,068 = 21,068 : x
2. Step 2: Convert to fraction form
   9,886/21,068 = 21,068/x
3. Step 3: Cross multiply
   9,886x = 21,068 × 21,068
4. Step 4: Simplify right side
   9,886x = 443,860,624
5. Step 5: Solve for x
   x = 443,860,624/9,886
6. Step 6: Final answer
   x = 44,897.90