Finding the Third Proportional to 1,578,798 and 3,322,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,798 : 3,322,638 = 3,322,638 : x
2. Step 2: Convert to fraction form
   1,578,798/3,322,638 = 3,322,638/x
3. Step 3: Cross multiply
   1,578,798x = 3,322,638 × 3,322,638
4. Step 4: Simplify right side
   1,578,798x = 11,039,923,279,044
5. Step 5: Solve for x
   x = 11,039,923,279,044/1,578,798
6. Step 6: Final answer
   x = 6,992,612.91