Finding the Third Proportional to 19,380 and 40,936

Step by Step Solution

1. Step 1: Write the proportion equation
   19,380 : 40,936 = 40,936 : x
2. Step 2: Convert to fraction form
   19,380/40,936 = 40,936/x
3. Step 3: Cross multiply
   19,380x = 40,936 × 40,936
4. Step 4: Simplify right side
   19,380x = 1,675,756,096
5. Step 5: Solve for x
   x = 1,675,756,096/19,380
6. Step 6: Final answer
   x = 86,468.32