Finding the Third Proportional to 20,126.25 and 42,851.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,126.25 : 42,851.25 = 42,851.25 : x
2. Step 2: Convert to fraction form
   20,126.25/42,851.25 = 42,851.25/x
3. Step 3: Cross multiply
   20,126.25x = 42,851.25 × 42,851.25
4. Step 4: Simplify right side
   20,126.25x = 1,836,229,626.56
5. Step 5: Solve for x
   x = 1,836,229,626.56/20,126.25
6. Step 6: Final answer
   x = 91,235.56