Finding the Third Proportional to 2,180,228 and 3,346,612

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180,228 : 3,346,612 = 3,346,612 : x
2. Step 2: Convert to fraction form
   2,180,228/3,346,612 = 3,346,612/x
3. Step 3: Cross multiply
   2,180,228x = 3,346,612 × 3,346,612
4. Step 4: Simplify right side
   2,180,228x = 11,199,811,878,544
5. Step 5: Solve for x
   x = 11,199,811,878,544/2,180,228
6. Step 6: Final answer
   x = 5,136,991.12