Finding the Third Proportional to 17,920 and 28,770

Step by Step Solution

1. Step 1: Write the proportion equation
   17,920 : 28,770 = 28,770 : x
2. Step 2: Convert to fraction form
   17,920/28,770 = 28,770/x
3. Step 3: Cross multiply
   17,920x = 28,770 × 28,770
4. Step 4: Simplify right side
   17,920x = 827,712,900
5. Step 5: Solve for x
   x = 827,712,900/17,920
6. Step 6: Final answer
   x = 46,189.34