Finding the Third Proportional to 2,559,856 and 5,499,260

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,856 : 5,499,260 = 5,499,260 : x
2. Step 2: Convert to fraction form
   2,559,856/5,499,260 = 5,499,260/x
3. Step 3: Cross multiply
   2,559,856x = 5,499,260 × 5,499,260
4. Step 4: Simplify right side
   2,559,856x = 30,241,860,547,600
5. Step 5: Solve for x
   x = 30,241,860,547,600/2,559,856
6. Step 6: Final answer
   x = 11,813,891.31