Finding the Third Proportional to 9,972 and 20,898

Step by Step Solution

1. Step 1: Write the proportion equation
   9,972 : 20,898 = 20,898 : x
2. Step 2: Convert to fraction form
   9,972/20,898 = 20,898/x
3. Step 3: Cross multiply
   9,972x = 20,898 × 20,898
4. Step 4: Simplify right side
   9,972x = 436,726,404
5. Step 5: Solve for x
   x = 436,726,404/9,972
6. Step 6: Final answer
   x = 43,795.27