Finding the Third Proportional to 250,359 and 384,287

Step by Step Solution

1. Step 1: Write the proportion equation
   250,359 : 384,287 = 384,287 : x
2. Step 2: Convert to fraction form
   250,359/384,287 = 384,287/x
3. Step 3: Cross multiply
   250,359x = 384,287 × 384,287
4. Step 4: Simplify right side
   250,359x = 147,676,498,369
5. Step 5: Solve for x
   x = 147,676,498,369/250,359
6. Step 6: Final answer
   x = 589,858.96