Finding the Third Proportional to 72,831 and 104,645

Step by Step Solution

1. Step 1: Write the proportion equation
   72,831 : 104,645 = 104,645 : x
2. Step 2: Convert to fraction form
   72,831/104,645 = 104,645/x
3. Step 3: Cross multiply
   72,831x = 104,645 × 104,645
4. Step 4: Simplify right side
   72,831x = 10,950,576,025
5. Step 5: Solve for x
   x = 10,950,576,025/72,831
6. Step 6: Final answer
   x = 150,355.98