Finding the Third Proportional to 140,393 and 300,082

Step by Step Solution

1. Step 1: Write the proportion equation
   140,393 : 300,082 = 300,082 : x
2. Step 2: Convert to fraction form
   140,393/300,082 = 300,082/x
3. Step 3: Cross multiply
   140,393x = 300,082 × 300,082
4. Step 4: Simplify right side
   140,393x = 90,049,206,724
5. Step 5: Solve for x
   x = 90,049,206,724/140,393
6. Step 6: Final answer
   x = 641,408.10