Finding the Third Proportional to 2,599,012 and 3,898,518

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599,012 : 3,898,518 = 3,898,518 : x
2. Step 2: Convert to fraction form
   2,599,012/3,898,518 = 3,898,518/x
3. Step 3: Cross multiply
   2,599,012x = 3,898,518 × 3,898,518
4. Step 4: Simplify right side
   2,599,012x = 15,198,442,596,324
5. Step 5: Solve for x
   x = 15,198,442,596,324/2,599,012
6. Step 6: Final answer
   x = 5,847,777