Finding the Third Proportional to 2,556,496 and 4,069,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,496 : 4,069,856 = 4,069,856 : x
2. Step 2: Convert to fraction form
   2,556,496/4,069,856 = 4,069,856/x
3. Step 3: Cross multiply
   2,556,496x = 4,069,856 × 4,069,856
4. Step 4: Simplify right side
   2,556,496x = 16,563,727,860,736
5. Step 5: Solve for x
   x = 16,563,727,860,736/2,556,496
6. Step 6: Final answer
   x = 6,479,074.43