Finding the Third Proportional to 16,640 and 22,152

Step by Step Solution

1. Step 1: Write the proportion equation
   16,640 : 22,152 = 22,152 : x
2. Step 2: Convert to fraction form
   16,640/22,152 = 22,152/x
3. Step 3: Cross multiply
   16,640x = 22,152 × 22,152
4. Step 4: Simplify right side
   16,640x = 490,711,104
5. Step 5: Solve for x
   x = 490,711,104/16,640
6. Step 6: Final answer
   x = 29,489.85