Finding the Third Proportional to 139,036 and 303,568

Step by Step Solution

1. Step 1: Write the proportion equation
   139,036 : 303,568 = 303,568 : x
2. Step 2: Convert to fraction form
   139,036/303,568 = 303,568/x
3. Step 3: Cross multiply
   139,036x = 303,568 × 303,568
4. Step 4: Simplify right side
   139,036x = 92,153,530,624
5. Step 5: Solve for x
   x = 92,153,530,624/139,036
6. Step 6: Final answer
   x = 662,803.38