Finding the Third Proportional to 140,366.25 and 300,834

Step by Step Solution

1. Step 1: Write the proportion equation
   140,366.25 : 300,834 = 300,834 : x
2. Step 2: Convert to fraction form
   140,366.25/300,834 = 300,834/x
3. Step 3: Cross multiply
   140,366.25x = 300,834 × 300,834
4. Step 4: Simplify right side
   140,366.25x = 90,501,095,556
5. Step 5: Solve for x
   x = 90,501,095,556/140,366.25
6. Step 6: Final answer
   x = 644,749.69