Finding the Third Proportional to 17,821.50 and 38,949

Step by Step Solution

1. Step 1: Write the proportion equation
   17,821.50 : 38,949 = 38,949 : x
2. Step 2: Convert to fraction form
   17,821.50/38,949 = 38,949/x
3. Step 3: Cross multiply
   17,821.50x = 38,949 × 38,949
4. Step 4: Simplify right side
   17,821.50x = 1,517,024,601
5. Step 5: Solve for x
   x = 1,517,024,601/17,821.50
6. Step 6: Final answer
   x = 85,123.28