Finding the Third Proportional to 20,408.99 and 31,522.92

Step by Step Solution

1. Step 1: Write the proportion equation
   20,408.99 : 31,522.92 = 31,522.92 : x
2. Step 2: Convert to fraction form
   20,408.99/31,522.92 = 31,522.92/x
3. Step 3: Cross multiply
   20,408.99x = 31,522.92 × 31,522.92
4. Step 4: Simplify right side
   20,408.99x = 993,694,603.54
5. Step 5: Solve for x
   x = 993,694,603.54/20,408.99
6. Step 6: Final answer
   x = 48,689.05