Finding the Third Proportional to 51,052.78 and 123,480.07

Step by Step Solution

1. Step 1: Write the proportion equation
   51,052.78 : 123,480.07 = 123,480.07 : x
2. Step 2: Convert to fraction form
   51,052.78/123,480.07 = 123,480.07/x
3. Step 3: Cross multiply
   51,052.78x = 123,480.07 × 123,480.07
4. Step 4: Simplify right side
   51,052.78x = 15,247,327,764.38
5. Step 5: Solve for x
   x = 15,247,327,764.38/51,052.78
6. Step 6: Final answer
   x = 298,658.12