Finding the Third Proportional to 139,295 and 300,756

Step by Step Solution

1. Step 1: Write the proportion equation
   139,295 : 300,756 = 300,756 : x
2. Step 2: Convert to fraction form
   139,295/300,756 = 300,756/x
3. Step 3: Cross multiply
   139,295x = 300,756 × 300,756
4. Step 4: Simplify right side
   139,295x = 90,454,171,536
5. Step 5: Solve for x
   x = 90,454,171,536/139,295
6. Step 6: Final answer
   x = 649,371.27