Finding the Third Proportional to 17,230 and 18,850

Step by Step Solution

1. Step 1: Write the proportion equation
   17,230 : 18,850 = 18,850 : x
2. Step 2: Convert to fraction form
   17,230/18,850 = 18,850/x
3. Step 3: Cross multiply
   17,230x = 18,850 × 18,850
4. Step 4: Simplify right side
   17,230x = 355,322,500
5. Step 5: Solve for x
   x = 355,322,500/17,230
6. Step 6: Final answer
   x = 20,622.32