Finding the Third Proportional to 20,079 and 42,936

Step by Step Solution

1. Step 1: Write the proportion equation
   20,079 : 42,936 = 42,936 : x
2. Step 2: Convert to fraction form
   20,079/42,936 = 42,936/x
3. Step 3: Cross multiply
   20,079x = 42,936 × 42,936
4. Step 4: Simplify right side
   20,079x = 1,843,500,096
5. Step 5: Solve for x
   x = 1,843,500,096/20,079
6. Step 6: Final answer
   x = 91,812.35