Finding the Third Proportional to 105,442 and 230,548

Step by Step Solution

1. Step 1: Write the proportion equation
   105,442 : 230,548 = 230,548 : x
2. Step 2: Convert to fraction form
   105,442/230,548 = 230,548/x
3. Step 3: Cross multiply
   105,442x = 230,548 × 230,548
4. Step 4: Simplify right side
   105,442x = 53,152,380,304
5. Step 5: Solve for x
   x = 53,152,380,304/105,442
6. Step 6: Final answer
   x = 504,091.16