Finding the Third Proportional to 1,373,728 and 2,101,386

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,728 : 2,101,386 = 2,101,386 : x
2. Step 2: Convert to fraction form
   1,373,728/2,101,386 = 2,101,386/x
3. Step 3: Cross multiply
   1,373,728x = 2,101,386 × 2,101,386
4. Step 4: Simplify right side
   1,373,728x = 4,415,823,120,996
5. Step 5: Solve for x
   x = 4,415,823,120,996/1,373,728
6. Step 6: Final answer
   x = 3,214,481.41