Finding the Third Proportional to 85,469 and 187,048

Step by Step Solution

1. Step 1: Write the proportion equation
   85,469 : 187,048 = 187,048 : x
2. Step 2: Convert to fraction form
   85,469/187,048 = 187,048/x
3. Step 3: Cross multiply
   85,469x = 187,048 × 187,048
4. Step 4: Simplify right side
   85,469x = 34,986,954,304
5. Step 5: Solve for x
   x = 34,986,954,304/85,469
6. Step 6: Final answer
   x = 409,352.56