Finding the Third Proportional to 1,069,796 and 2,188,779

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,796 : 2,188,779 = 2,188,779 : x
2. Step 2: Convert to fraction form
   1,069,796/2,188,779 = 2,188,779/x
3. Step 3: Cross multiply
   1,069,796x = 2,188,779 × 2,188,779
4. Step 4: Simplify right side
   1,069,796x = 4,790,753,510,841
5. Step 5: Solve for x
   x = 4,790,753,510,841/1,069,796
6. Step 6: Final answer
   x = 4,478,193.52