Finding the Third Proportional to 117,571.50 and 253,728

Step by Step Solution

1. Step 1: Write the proportion equation
   117,571.50 : 253,728 = 253,728 : x
2. Step 2: Convert to fraction form
   117,571.50/253,728 = 253,728/x
3. Step 3: Cross multiply
   117,571.50x = 253,728 × 253,728
4. Step 4: Simplify right side
   117,571.50x = 64,377,897,984
5. Step 5: Solve for x
   x = 64,377,897,984/117,571.50
6. Step 6: Final answer
   x = 547,563.81