Finding the Third Proportional to 123,558 and 271,173

Step by Step Solution

1. Step 1: Write the proportion equation
   123,558 : 271,173 = 271,173 : x
2. Step 2: Convert to fraction form
   123,558/271,173 = 271,173/x
3. Step 3: Cross multiply
   123,558x = 271,173 × 271,173
4. Step 4: Simplify right side
   123,558x = 73,534,795,929
5. Step 5: Solve for x
   x = 73,534,795,929/123,558
6. Step 6: Final answer
   x = 595,143.95