Finding the Third Proportional to 123,435 and 269,170

Step by Step Solution

1. Step 1: Write the proportion equation
   123,435 : 269,170 = 269,170 : x
2. Step 2: Convert to fraction form
   123,435/269,170 = 269,170/x
3. Step 3: Cross multiply
   123,435x = 269,170 × 269,170
4. Step 4: Simplify right side
   123,435x = 72,452,488,900
5. Step 5: Solve for x
   x = 72,452,488,900/123,435
6. Step 6: Final answer
   x = 586,968.76