Finding the Third Proportional to 2,188,251 and 3,515,910

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,251 : 3,515,910 = 3,515,910 : x
2. Step 2: Convert to fraction form
   2,188,251/3,515,910 = 3,515,910/x
3. Step 3: Cross multiply
   2,188,251x = 3,515,910 × 3,515,910
4. Step 4: Simplify right side
   2,188,251x = 12,361,623,128,100
5. Step 5: Solve for x
   x = 12,361,623,128,100/2,188,251
6. Step 6: Final answer
   x = 5,649,088.30