Finding the Third Proportional to 3,563,249 and 7,779,879

Step by Step Solution

1. Step 1: Write the proportion equation
   3,563,249 : 7,779,879 = 7,779,879 : x
2. Step 2: Convert to fraction form
   3,563,249/7,779,879 = 7,779,879/x
3. Step 3: Cross multiply
   3,563,249x = 7,779,879 × 7,779,879
4. Step 4: Simplify right side
   3,563,249x = 60,526,517,254,641
5. Step 5: Solve for x
   x = 60,526,517,254,641/3,563,249
6. Step 6: Final answer
   x = 16,986,328.28