Finding the Third Proportional to 2,299,320 and 3,480,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299,320 : 3,480,780 = 3,480,780 : x
2. Step 2: Convert to fraction form
   2,299,320/3,480,780 = 3,480,780/x
3. Step 3: Cross multiply
   2,299,320x = 3,480,780 × 3,480,780
4. Step 4: Simplify right side
   2,299,320x = 12,115,829,408,400
5. Step 5: Solve for x
   x = 12,115,829,408,400/2,299,320
6. Step 6: Final answer
   x = 5,269,309.80