Finding the Third Proportional to 20,348.75 and 42,256.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,348.75 : 42,256.75 = 42,256.75 : x
2. Step 2: Convert to fraction form
   20,348.75/42,256.75 = 42,256.75/x
3. Step 3: Cross multiply
   20,348.75x = 42,256.75 × 42,256.75
4. Step 4: Simplify right side
   20,348.75x = 1,785,632,920.56
5. Step 5: Solve for x
   x = 1,785,632,920.56/20,348.75
6. Step 6: Final answer
   x = 87,751.48