Finding the Third Proportional to 250,214 and 388,014

Step by Step Solution

1. Step 1: Write the proportion equation
   250,214 : 388,014 = 388,014 : x
2. Step 2: Convert to fraction form
   250,214/388,014 = 388,014/x
3. Step 3: Cross multiply
   250,214x = 388,014 × 388,014
4. Step 4: Simplify right side
   250,214x = 150,554,864,196
5. Step 5: Solve for x
   x = 150,554,864,196/250,214
6. Step 6: Final answer
   x = 601,704.40