Finding the Third Proportional to 72,056 and 155,728

Step by Step Solution

1. Step 1: Write the proportion equation
   72,056 : 155,728 = 155,728 : x
2. Step 2: Convert to fraction form
   72,056/155,728 = 155,728/x
3. Step 3: Cross multiply
   72,056x = 155,728 × 155,728
4. Step 4: Simplify right side
   72,056x = 24,251,209,984
5. Step 5: Solve for x
   x = 24,251,209,984/72,056
6. Step 6: Final answer
   x = 336,560.59