Finding the Third Proportional to 20,661.75 and 30,942

Step by Step Solution

1. Step 1: Write the proportion equation
   20,661.75 : 30,942 = 30,942 : x
2. Step 2: Convert to fraction form
   20,661.75/30,942 = 30,942/x
3. Step 3: Cross multiply
   20,661.75x = 30,942 × 30,942
4. Step 4: Simplify right side
   20,661.75x = 957,407,364
5. Step 5: Solve for x
   x = 957,407,364/20,661.75
6. Step 6: Final answer
   x = 46,337.19