Finding the Third Proportional to 140,521.50 and 295,728

Step by Step Solution

1. Step 1: Write the proportion equation
   140,521.50 : 295,728 = 295,728 : x
2. Step 2: Convert to fraction form
   140,521.50/295,728 = 295,728/x
3. Step 3: Cross multiply
   140,521.50x = 295,728 × 295,728
4. Step 4: Simplify right side
   140,521.50x = 87,455,049,984
5. Step 5: Solve for x
   x = 87,455,049,984/140,521.50
6. Step 6: Final answer
   x = 622,360.64