Finding the Third Proportional to 3,485,378 and 7,641,508

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,378 : 7,641,508 = 7,641,508 : x
2. Step 2: Convert to fraction form
   3,485,378/7,641,508 = 7,641,508/x
3. Step 3: Cross multiply
   3,485,378x = 7,641,508 × 7,641,508
4. Step 4: Simplify right side
   3,485,378x = 58,392,644,514,064
5. Step 5: Solve for x
   x = 58,392,644,514,064/3,485,378
6. Step 6: Final answer
   x = 16,753,604.49