Finding the Third Proportional to 20,081.25 and 31,196.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,081.25 : 31,196.25 = 31,196.25 : x
2. Step 2: Convert to fraction form
   20,081.25/31,196.25 = 31,196.25/x
3. Step 3: Cross multiply
   20,081.25x = 31,196.25 × 31,196.25
4. Step 4: Simplify right side
   20,081.25x = 973,206,014.06
5. Step 5: Solve for x
   x = 973,206,014.06/20,081.25
6. Step 6: Final answer
   x = 48,463.42