Finding the Third Proportional to 20,135.25 and 31,131.84

Step by Step Solution

1. Step 1: Write the proportion equation
   20,135.25 : 31,131.84 = 31,131.84 : x
2. Step 2: Convert to fraction form
   20,135.25/31,131.84 = 31,131.84/x
3. Step 3: Cross multiply
   20,135.25x = 31,131.84 × 31,131.84
4. Step 4: Simplify right side
   20,135.25x = 969,191,695.27
5. Step 5: Solve for x
   x = 969,191,695.27/20,135.25
6. Step 6: Final answer
   x = 48,134.08