Finding the Third Proportional to 94,396.50 and 199,728

Step by Step Solution

1. Step 1: Write the proportion equation
   94,396.50 : 199,728 = 199,728 : x
2. Step 2: Convert to fraction form
   94,396.50/199,728 = 199,728/x
3. Step 3: Cross multiply
   94,396.50x = 199,728 × 199,728
4. Step 4: Simplify right side
   94,396.50x = 39,891,273,984
5. Step 5: Solve for x
   x = 39,891,273,984/94,396.50
6. Step 6: Final answer
   x = 422,592.72