Finding the Third Proportional to 87,404 and 187,550

Step by Step Solution

1. Step 1: Write the proportion equation
   87,404 : 187,550 = 187,550 : x
2. Step 2: Convert to fraction form
   87,404/187,550 = 187,550/x
3. Step 3: Cross multiply
   87,404x = 187,550 × 187,550
4. Step 4: Simplify right side
   87,404x = 35,175,002,500
5. Step 5: Solve for x
   x = 35,175,002,500/87,404
6. Step 6: Final answer
   x = 402,441.56