Finding the Third Proportional to 42,674 and 56,626

Step by Step Solution

1. Step 1: Write the proportion equation
   42,674 : 56,626 = 56,626 : x
2. Step 2: Convert to fraction form
   42,674/56,626 = 56,626/x
3. Step 3: Cross multiply
   42,674x = 56,626 × 56,626
4. Step 4: Simplify right side
   42,674x = 3,206,503,876
5. Step 5: Solve for x
   x = 3,206,503,876/42,674
6. Step 6: Final answer
   x = 75,139.52