Finding the Third Proportional to 57,540 and 123,075

Step by Step Solution

1. Step 1: Write the proportion equation
   57,540 : 123,075 = 123,075 : x
2. Step 2: Convert to fraction form
   57,540/123,075 = 123,075/x
3. Step 3: Cross multiply
   57,540x = 123,075 × 123,075
4. Step 4: Simplify right side
   57,540x = 15,147,455,625
5. Step 5: Solve for x
   x = 15,147,455,625/57,540
6. Step 6: Final answer
   x = 263,250.88