Finding the Third Proportional to 8,672.38 and 18,949.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,672.38 : 18,949.73 = 18,949.73 : x
2. Step 2: Convert to fraction form
   8,672.38/18,949.73 = 18,949.73/x
3. Step 3: Cross multiply
   8,672.38x = 18,949.73 × 18,949.73
4. Step 4: Simplify right side
   8,672.38x = 359,092,210.82
5. Step 5: Solve for x
   x = 359,092,210.82/8,672.38
6. Step 6: Final answer
   x = 41,406.43