Finding the Third Proportional to 4,262,514 and 9,131,508

Step by Step Solution

1. Step 1: Write the proportion equation
   4,262,514 : 9,131,508 = 9,131,508 : x
2. Step 2: Convert to fraction form
   4,262,514/9,131,508 = 9,131,508/x
3. Step 3: Cross multiply
   4,262,514x = 9,131,508 × 9,131,508
4. Step 4: Simplify right side
   4,262,514x = 83,384,438,354,064
5. Step 5: Solve for x
   x = 83,384,438,354,064/4,262,514
6. Step 6: Final answer
   x = 19,562,267.33