Finding the Third Proportional to 20,223 and 42,936.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,223 : 42,936.75 = 42,936.75 : x
2. Step 2: Convert to fraction form
   20,223/42,936.75 = 42,936.75/x
3. Step 3: Cross multiply
   20,223x = 42,936.75 × 42,936.75
4. Step 4: Simplify right side
   20,223x = 1,843,564,500.56
5. Step 5: Solve for x
   x = 1,843,564,500.56/20,223
6. Step 6: Final answer
   x = 91,161.77