Finding the Third Proportional to 16,456 and 21,956

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456 : 21,956 = 21,956 : x
2. Step 2: Convert to fraction form
   16,456/21,956 = 21,956/x
3. Step 3: Cross multiply
   16,456x = 21,956 × 21,956
4. Step 4: Simplify right side
   16,456x = 482,065,936
5. Step 5: Solve for x
   x = 482,065,936/16,456
6. Step 6: Final answer
   x = 29,294.24