Finding the Third Proportional to 87,120 and 185,616

Step by Step Solution

1. Step 1: Write the proportion equation
   87,120 : 185,616 = 185,616 : x
2. Step 2: Convert to fraction form
   87,120/185,616 = 185,616/x
3. Step 3: Cross multiply
   87,120x = 185,616 × 185,616
4. Step 4: Simplify right side
   87,120x = 34,453,299,456
5. Step 5: Solve for x
   x = 34,453,299,456/87,120
6. Step 6: Final answer
   x = 395,469.46