Finding the Third Proportional to 2,299,246 and 3,480,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299,246 : 3,480,678 = 3,480,678 : x
2. Step 2: Convert to fraction form
   2,299,246/3,480,678 = 3,480,678/x
3. Step 3: Cross multiply
   2,299,246x = 3,480,678 × 3,480,678
4. Step 4: Simplify right side
   2,299,246x = 12,115,119,339,684
5. Step 5: Solve for x
   x = 12,115,119,339,684/2,299,246
6. Step 6: Final answer
   x = 5,269,170.56