Finding the Third Proportional to 57,415 and 123,134

Step by Step Solution

1. Step 1: Write the proportion equation
   57,415 : 123,134 = 123,134 : x
2. Step 2: Convert to fraction form
   57,415/123,134 = 123,134/x
3. Step 3: Cross multiply
   57,415x = 123,134 × 123,134
4. Step 4: Simplify right side
   57,415x = 15,161,981,956
5. Step 5: Solve for x
   x = 15,161,981,956/57,415
6. Step 6: Final answer
   x = 264,077.02