Finding the Third Proportional to 20,029.25 and 31,418.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,029.25 : 31,418.50 = 31,418.50 : x
2. Step 2: Convert to fraction form
   20,029.25/31,418.50 = 31,418.50/x
3. Step 3: Cross multiply
   20,029.25x = 31,418.50 × 31,418.50
4. Step 4: Simplify right side
   20,029.25x = 987,122,142.25
5. Step 5: Solve for x
   x = 987,122,142.25/20,029.25
6. Step 6: Final answer
   x = 49,284.03