Finding the Third Proportional to 140,382 and 300,861

Step by Step Solution

1. Step 1: Write the proportion equation
   140,382 : 300,861 = 300,861 : x
2. Step 2: Convert to fraction form
   140,382/300,861 = 300,861/x
3. Step 3: Cross multiply
   140,382x = 300,861 × 300,861
4. Step 4: Simplify right side
   140,382x = 90,517,341,321
5. Step 5: Solve for x
   x = 90,517,341,321/140,382
6. Step 6: Final answer
   x = 644,793.07