Finding the Third Proportional to 1,284,442 and 2,823,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,442 : 2,823,128 = 2,823,128 : x
2. Step 2: Convert to fraction form
   1,284,442/2,823,128 = 2,823,128/x
3. Step 3: Cross multiply
   1,284,442x = 2,823,128 × 2,823,128
4. Step 4: Simplify right side
   1,284,442x = 7,970,051,704,384
5. Step 5: Solve for x
   x = 7,970,051,704,384/1,284,442
6. Step 6: Final answer
   x = 6,205,069.36