Finding the Third Proportional to 57,300 and 123,375

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300 : 123,375 = 123,375 : x
2. Step 2: Convert to fraction form
   57,300/123,375 = 123,375/x
3. Step 3: Cross multiply
   57,300x = 123,375 × 123,375
4. Step 4: Simplify right side
   57,300x = 15,221,390,625
5. Step 5: Solve for x
   x = 15,221,390,625/57,300
6. Step 6: Final answer
   x = 265,643.82