Finding the Third Proportional to 16,920 and 28,152

Step by Step Solution

1. Step 1: Write the proportion equation
   16,920 : 28,152 = 28,152 : x
2. Step 2: Convert to fraction form
   16,920/28,152 = 28,152/x
3. Step 3: Cross multiply
   16,920x = 28,152 × 28,152
4. Step 4: Simplify right side
   16,920x = 792,535,104
5. Step 5: Solve for x
   x = 792,535,104/16,920
6. Step 6: Final answer
   x = 46,840.14