Finding the Third Proportional to 78,067 and 123,495

Step by Step Solution

1. Step 1: Write the proportion equation
   78,067 : 123,495 = 123,495 : x
2. Step 2: Convert to fraction form
   78,067/123,495 = 123,495/x
3. Step 3: Cross multiply
   78,067x = 123,495 × 123,495
4. Step 4: Simplify right side
   78,067x = 15,251,015,025
5. Step 5: Solve for x
   x = 15,251,015,025/78,067
6. Step 6: Final answer
   x = 195,358.03