Finding the Third Proportional to 87,504 and 187,456

Step by Step Solution

1. Step 1: Write the proportion equation
   87,504 : 187,456 = 187,456 : x
2. Step 2: Convert to fraction form
   87,504/187,456 = 187,456/x
3. Step 3: Cross multiply
   87,504x = 187,456 × 187,456
4. Step 4: Simplify right side
   87,504x = 35,139,751,936
5. Step 5: Solve for x
   x = 35,139,751,936/87,504
6. Step 6: Final answer
   x = 401,578.81