Finding the Third Proportional to 20,751.75 and 31,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,751.75 : 31,142.25 = 31,142.25 : x
2. Step 2: Convert to fraction form
   20,751.75/31,142.25 = 31,142.25/x
3. Step 3: Cross multiply
   20,751.75x = 31,142.25 × 31,142.25
4. Step 4: Simplify right side
   20,751.75x = 969,839,735.06
5. Step 5: Solve for x
   x = 969,839,735.06/20,751.75
6. Step 6: Final answer
   x = 46,735.32