Finding the Third Proportional to 2,290,109 and 3,488,891

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,109 : 3,488,891 = 3,488,891 : x
2. Step 2: Convert to fraction form
   2,290,109/3,488,891 = 3,488,891/x
3. Step 3: Cross multiply
   2,290,109x = 3,488,891 × 3,488,891
4. Step 4: Simplify right side
   2,290,109x = 12,172,360,409,881
5. Step 5: Solve for x
   x = 12,172,360,409,881/2,290,109
6. Step 6: Final answer
   x = 5,315,188.23