Finding the Third Proportional to 40,567 and 54,145

Step by Step Solution

1. Step 1: Write the proportion equation
   40,567 : 54,145 = 54,145 : x
2. Step 2: Convert to fraction form
   40,567/54,145 = 54,145/x
3. Step 3: Cross multiply
   40,567x = 54,145 × 54,145
4. Step 4: Simplify right side
   40,567x = 2,931,681,025
5. Step 5: Solve for x
   x = 2,931,681,025/40,567
6. Step 6: Final answer
   x = 72,267.63