Finding the Third Proportional to 40,716 and 64,626

Step by Step Solution

1. Step 1: Write the proportion equation
   40,716 : 64,626 = 64,626 : x
2. Step 2: Convert to fraction form
   40,716/64,626 = 64,626/x
3. Step 3: Cross multiply
   40,716x = 64,626 × 64,626
4. Step 4: Simplify right side
   40,716x = 4,176,519,876
5. Step 5: Solve for x
   x = 4,176,519,876/40,716
6. Step 6: Final answer
   x = 102,576.87