Finding the Third Proportional to 139,293 and 300,752

Step by Step Solution

1. Step 1: Write the proportion equation
   139,293 : 300,752 = 300,752 : x
2. Step 2: Convert to fraction form
   139,293/300,752 = 300,752/x
3. Step 3: Cross multiply
   139,293x = 300,752 × 300,752
4. Step 4: Simplify right side
   139,293x = 90,451,765,504
5. Step 5: Solve for x
   x = 90,451,765,504/139,293
6. Step 6: Final answer
   x = 649,363.32