Finding the Third Proportional to 139,934 and 300,604

Step by Step Solution

1. Step 1: Write the proportion equation
   139,934 : 300,604 = 300,604 : x
2. Step 2: Convert to fraction form
   139,934/300,604 = 300,604/x
3. Step 3: Cross multiply
   139,934x = 300,604 × 300,604
4. Step 4: Simplify right side
   139,934x = 90,362,764,816
5. Step 5: Solve for x
   x = 90,362,764,816/139,934
6. Step 6: Final answer
   x = 645,752.75