Finding the Third Proportional to 16,312 and 22,161

Step by Step Solution

1. Step 1: Write the proportion equation
   16,312 : 22,161 = 22,161 : x
2. Step 2: Convert to fraction form
   16,312/22,161 = 22,161/x
3. Step 3: Cross multiply
   16,312x = 22,161 × 22,161
4. Step 4: Simplify right side
   16,312x = 491,109,921
5. Step 5: Solve for x
   x = 491,109,921/16,312
6. Step 6: Final answer
   x = 30,107.28