Finding the Third Proportional to 16,642 and 22,155

Step by Step Solution

1. Step 1: Write the proportion equation
   16,642 : 22,155 = 22,155 : x
2. Step 2: Convert to fraction form
   16,642/22,155 = 22,155/x
3. Step 3: Cross multiply
   16,642x = 22,155 × 22,155
4. Step 4: Simplify right side
   16,642x = 490,844,025
5. Step 5: Solve for x
   x = 490,844,025/16,642
6. Step 6: Final answer
   x = 29,494.29