Finding the Third Proportional to 140,294 and 300,325

Step by Step Solution

1. Step 1: Write the proportion equation
   140,294 : 300,325 = 300,325 : x
2. Step 2: Convert to fraction form
   140,294/300,325 = 300,325/x
3. Step 3: Cross multiply
   140,294x = 300,325 × 300,325
4. Step 4: Simplify right side
   140,294x = 90,195,105,625
5. Step 5: Solve for x
   x = 90,195,105,625/140,294
6. Step 6: Final answer
   x = 642,900.66