Finding the Third Proportional to 1,393,638 and 3,015,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,638 : 3,015,372 = 3,015,372 : x
2. Step 2: Convert to fraction form
   1,393,638/3,015,372 = 3,015,372/x
3. Step 3: Cross multiply
   1,393,638x = 3,015,372 × 3,015,372
4. Step 4: Simplify right side
   1,393,638x = 9,092,468,298,384
5. Step 5: Solve for x
   x = 9,092,468,298,384/1,393,638
6. Step 6: Final answer
   x = 6,524,268.35