Finding the Third Proportional to 143,024 and 305,040

Step by Step Solution

1. Step 1: Write the proportion equation
   143,024 : 305,040 = 305,040 : x
2. Step 2: Convert to fraction form
   143,024/305,040 = 305,040/x
3. Step 3: Cross multiply
   143,024x = 305,040 × 305,040
4. Step 4: Simplify right side
   143,024x = 93,049,401,600
5. Step 5: Solve for x
   x = 93,049,401,600/143,024
6. Step 6: Final answer
   x = 650,585.93