Finding the Third Proportional to 1,383,456 and 2,980,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383,456 : 2,980,368 = 2,980,368 : x
2. Step 2: Convert to fraction form
   1,383,456/2,980,368 = 2,980,368/x
3. Step 3: Cross multiply
   1,383,456x = 2,980,368 × 2,980,368
4. Step 4: Simplify right side
   1,383,456x = 8,882,593,415,424
5. Step 5: Solve for x
   x = 8,882,593,415,424/1,383,456
6. Step 6: Final answer
   x = 6,420,582.52