Finding the Third Proportional to 193,452 and 273,978

Step by Step Solution

1. Step 1: Write the proportion equation
   193,452 : 273,978 = 273,978 : x
2. Step 2: Convert to fraction form
   193,452/273,978 = 273,978/x
3. Step 3: Cross multiply
   193,452x = 273,978 × 273,978
4. Step 4: Simplify right side
   193,452x = 75,063,944,484
5. Step 5: Solve for x
   x = 75,063,944,484/193,452
6. Step 6: Final answer
   x = 388,023.62