Finding the Third Proportional to 53,857.50 and 118,569

Step by Step Solution

1. Step 1: Write the proportion equation
   53,857.50 : 118,569 = 118,569 : x
2. Step 2: Convert to fraction form
   53,857.50/118,569 = 118,569/x
3. Step 3: Cross multiply
   53,857.50x = 118,569 × 118,569
4. Step 4: Simplify right side
   53,857.50x = 14,058,607,761
5. Step 5: Solve for x
   x = 14,058,607,761/53,857.50
6. Step 6: Final answer
   x = 261,033.43