Finding the Third Proportional to 2,138,757 and 4,755,689

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,757 : 4,755,689 = 4,755,689 : x
2. Step 2: Convert to fraction form
   2,138,757/4,755,689 = 4,755,689/x
3. Step 3: Cross multiply
   2,138,757x = 4,755,689 × 4,755,689
4. Step 4: Simplify right side
   2,138,757x = 22,616,577,864,721
5. Step 5: Solve for x
   x = 22,616,577,864,721/2,138,757
6. Step 6: Final answer
   x = 10,574,636.51