Finding the Third Proportional to 479,131 and 1,042,339

Step by Step Solution

1. Step 1: Write the proportion equation
   479,131 : 1,042,339 = 1,042,339 : x
2. Step 2: Convert to fraction form
   479,131/1,042,339 = 1,042,339/x
3. Step 3: Cross multiply
   479,131x = 1,042,339 × 1,042,339
4. Step 4: Simplify right side
   479,131x = 1,086,470,590,921
5. Step 5: Solve for x
   x = 1,086,470,590,921/479,131
6. Step 6: Final answer
   x = 2,267,585.67