Finding the Third Proportional to 13,956 and 21,231

Step by Step Solution

1. Step 1: Write the proportion equation
   13,956 : 21,231 = 21,231 : x
2. Step 2: Convert to fraction form
   13,956/21,231 = 21,231/x
3. Step 3: Cross multiply
   13,956x = 21,231 × 21,231
4. Step 4: Simplify right side
   13,956x = 450,755,361
5. Step 5: Solve for x
   x = 450,755,361/13,956
6. Step 6: Final answer
   x = 32,298.32