Finding the Third Proportional to 20,127.75 and 42,854.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,127.75 : 42,854.25 = 42,854.25 : x
2. Step 2: Convert to fraction form
   20,127.75/42,854.25 = 42,854.25/x
3. Step 3: Cross multiply
   20,127.75x = 42,854.25 × 42,854.25
4. Step 4: Simplify right side
   20,127.75x = 1,836,486,743.06
5. Step 5: Solve for x
   x = 1,836,486,743.06/20,127.75
6. Step 6: Final answer
   x = 91,241.53