Finding the Third Proportional to 250,780 and 384,042

Step by Step Solution

1. Step 1: Write the proportion equation
   250,780 : 384,042 = 384,042 : x
2. Step 2: Convert to fraction form
   250,780/384,042 = 384,042/x
3. Step 3: Cross multiply
   250,780x = 384,042 × 384,042
4. Step 4: Simplify right side
   250,780x = 147,488,257,764
5. Step 5: Solve for x
   x = 147,488,257,764/250,780
6. Step 6: Final answer
   x = 588,118.10