Finding the Third Proportional to 4,123.50 and 8,940

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.50 : 8,940 = 8,940 : x
2. Step 2: Convert to fraction form
   4,123.50/8,940 = 8,940/x
3. Step 3: Cross multiply
   4,123.50x = 8,940 × 8,940
4. Step 4: Simplify right side
   4,123.50x = 79,923,600
5. Step 5: Solve for x
   x = 79,923,600/4,123.50
6. Step 6: Final answer
   x = 19,382.47