Finding the Third Proportional to 250,228 and 388,038

Step by Step Solution

1. Step 1: Write the proportion equation
   250,228 : 388,038 = 388,038 : x
2. Step 2: Convert to fraction form
   250,228/388,038 = 388,038/x
3. Step 3: Cross multiply
   250,228x = 388,038 × 388,038
4. Step 4: Simplify right side
   250,228x = 150,573,489,444
5. Step 5: Solve for x
   x = 150,573,489,444/250,228
6. Step 6: Final answer
   x = 601,745.17