Finding the Third Proportional to 2,243,354 and 3,480,259

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,354 : 3,480,259 = 3,480,259 : x
2. Step 2: Convert to fraction form
   2,243,354/3,480,259 = 3,480,259/x
3. Step 3: Cross multiply
   2,243,354x = 3,480,259 × 3,480,259
4. Step 4: Simplify right side
   2,243,354x = 12,112,202,707,081
5. Step 5: Solve for x
   x = 12,112,202,707,081/2,243,354
6. Step 6: Final answer
   x = 5,399,149.09