Finding the Third Proportional to 42,656 and 67,494

Step by Step Solution

1. Step 1: Write the proportion equation
   42,656 : 67,494 = 67,494 : x
2. Step 2: Convert to fraction form
   42,656/67,494 = 67,494/x
3. Step 3: Cross multiply
   42,656x = 67,494 × 67,494
4. Step 4: Simplify right side
   42,656x = 4,555,440,036
5. Step 5: Solve for x
   x = 4,555,440,036/42,656
6. Step 6: Final answer
   x = 106,794.82