Finding the Third Proportional to 2,211,026 and 3,315,889

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211,026 : 3,315,889 = 3,315,889 : x
2. Step 2: Convert to fraction form
   2,211,026/3,315,889 = 3,315,889/x
3. Step 3: Cross multiply
   2,211,026x = 3,315,889 × 3,315,889
4. Step 4: Simplify right side
   2,211,026x = 10,995,119,860,321
5. Step 5: Solve for x
   x = 10,995,119,860,321/2,211,026
6. Step 6: Final answer
   x = 4,972,858.69