Finding the Third Proportional to 19,920.38 and 29,424.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,920.38 : 29,424.94 = 29,424.94 : x
2. Step 2: Convert to fraction form
   19,920.38/29,424.94 = 29,424.94/x
3. Step 3: Cross multiply
   19,920.38x = 29,424.94 × 29,424.94
4. Step 4: Simplify right side
   19,920.38x = 865,826,946.88
5. Step 5: Solve for x
   x = 865,826,946.88/19,920.38
6. Step 6: Final answer
   x = 43,464.39