Finding the Third Proportional to 250,568 and 388,236

Step by Step Solution

1. Step 1: Write the proportion equation
   250,568 : 388,236 = 388,236 : x
2. Step 2: Convert to fraction form
   250,568/388,236 = 388,236/x
3. Step 3: Cross multiply
   250,568x = 388,236 × 388,236
4. Step 4: Simplify right side
   250,568x = 150,727,191,696
5. Step 5: Solve for x
   x = 150,727,191,696/250,568
6. Step 6: Final answer
   x = 601,542.06