Finding the Third Proportional to 250,206 and 388,002

Step by Step Solution

1. Step 1: Write the proportion equation
   250,206 : 388,002 = 388,002 : x
2. Step 2: Convert to fraction form
   250,206/388,002 = 388,002/x
3. Step 3: Cross multiply
   250,206x = 388,002 × 388,002
4. Step 4: Simplify right side
   250,206x = 150,545,552,004
5. Step 5: Solve for x
   x = 150,545,552,004/250,206
6. Step 6: Final answer
   x = 601,686.42