Finding the Third Proportional to 140,249 and 300,592

Step by Step Solution

1. Step 1: Write the proportion equation
   140,249 : 300,592 = 300,592 : x
2. Step 2: Convert to fraction form
   140,249/300,592 = 300,592/x
3. Step 3: Cross multiply
   140,249x = 300,592 × 300,592
4. Step 4: Simplify right side
   140,249x = 90,355,550,464
5. Step 5: Solve for x
   x = 90,355,550,464/140,249
6. Step 6: Final answer
   x = 644,250.94