Finding the Third Proportional to 2,229,456 and 3,416,128

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229,456 : 3,416,128 = 3,416,128 : x
2. Step 2: Convert to fraction form
   2,229,456/3,416,128 = 3,416,128/x
3. Step 3: Cross multiply
   2,229,456x = 3,416,128 × 3,416,128
4. Step 4: Simplify right side
   2,229,456x = 11,669,930,512,384
5. Step 5: Solve for x
   x = 11,669,930,512,384/2,229,456
6. Step 6: Final answer
   x = 5,234,429.62