Finding the Third Proportional to 87,168.94 and 187,630.31

Step by Step Solution

1. Step 1: Write the proportion equation
   87,168.94 : 187,630.31 = 187,630.31 : x
2. Step 2: Convert to fraction form
   87,168.94/187,630.31 = 187,630.31/x
3. Step 3: Cross multiply
   87,168.94x = 187,630.31 × 187,630.31
4. Step 4: Simplify right side
   87,168.94x = 35,205,134,168.85
5. Step 5: Solve for x
   x = 35,205,134,168.85/87,168.94
6. Step 6: Final answer
   x = 403,872.47