Finding the Third Proportional to 2,038,656 and 2,851,689

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038,656 : 2,851,689 = 2,851,689 : x
2. Step 2: Convert to fraction form
   2,038,656/2,851,689 = 2,851,689/x
3. Step 3: Cross multiply
   2,038,656x = 2,851,689 × 2,851,689
4. Step 4: Simplify right side
   2,038,656x = 8,132,130,152,721
5. Step 5: Solve for x
   x = 8,132,130,152,721/2,038,656
6. Step 6: Final answer
   x = 3,988,966.34