Finding the Third Proportional to 2,188,253 and 3,515,913

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,253 : 3,515,913 = 3,515,913 : x
2. Step 2: Convert to fraction form
   2,188,253/3,515,913 = 3,515,913/x
3. Step 3: Cross multiply
   2,188,253x = 3,515,913 × 3,515,913
4. Step 4: Simplify right side
   2,188,253x = 12,361,644,223,569
5. Step 5: Solve for x
   x = 12,361,644,223,569/2,188,253
6. Step 6: Final answer
   x = 5,649,092.78