Finding the Third Proportional to 40,660 and 56,958

Step by Step Solution

1. Step 1: Write the proportion equation
   40,660 : 56,958 = 56,958 : x
2. Step 2: Convert to fraction form
   40,660/56,958 = 56,958/x
3. Step 3: Cross multiply
   40,660x = 56,958 × 56,958
4. Step 4: Simplify right side
   40,660x = 3,244,213,764
5. Step 5: Solve for x
   x = 3,244,213,764/40,660
6. Step 6: Final answer
   x = 79,788.83