Finding the Third Proportional to 57,291 and 123,045

Step by Step Solution

1. Step 1: Write the proportion equation
   57,291 : 123,045 = 123,045 : x
2. Step 2: Convert to fraction form
   57,291/123,045 = 123,045/x
3. Step 3: Cross multiply
   57,291x = 123,045 × 123,045
4. Step 4: Simplify right side
   57,291x = 15,140,072,025
5. Step 5: Solve for x
   x = 15,140,072,025/57,291
6. Step 6: Final answer
   x = 264,266.15