Finding the Third Proportional to 55,164 and 82,728

Step by Step Solution

1. Step 1: Write the proportion equation
   55,164 : 82,728 = 82,728 : x
2. Step 2: Convert to fraction form
   55,164/82,728 = 82,728/x
3. Step 3: Cross multiply
   55,164x = 82,728 × 82,728
4. Step 4: Simplify right side
   55,164x = 6,843,921,984
5. Step 5: Solve for x
   x = 6,843,921,984/55,164
6. Step 6: Final answer
   x = 124,065.01