Finding the Third Proportional to 13,836 and 20,898

Step by Step Solution

1. Step 1: Write the proportion equation
   13,836 : 20,898 = 20,898 : x
2. Step 2: Convert to fraction form
   13,836/20,898 = 20,898/x
3. Step 3: Cross multiply
   13,836x = 20,898 × 20,898
4. Step 4: Simplify right side
   13,836x = 436,726,404
5. Step 5: Solve for x
   x = 436,726,404/13,836
6. Step 6: Final answer
   x = 31,564.50