Finding the Third Proportional to 20,853.25 and 30,726.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,853.25 : 30,726.75 = 30,726.75 : x
2. Step 2: Convert to fraction form
   20,853.25/30,726.75 = 30,726.75/x
3. Step 3: Cross multiply
   20,853.25x = 30,726.75 × 30,726.75
4. Step 4: Simplify right side
   20,853.25x = 944,133,165.56
5. Step 5: Solve for x
   x = 944,133,165.56/20,853.25
6. Step 6: Final answer
   x = 45,275.11