Finding the Third Proportional to 3,854,876 and 8,222,740

Step by Step Solution

1. Step 1: Write the proportion equation
   3,854,876 : 8,222,740 = 8,222,740 : x
2. Step 2: Convert to fraction form
   3,854,876/8,222,740 = 8,222,740/x
3. Step 3: Cross multiply
   3,854,876x = 8,222,740 × 8,222,740
4. Step 4: Simplify right side
   3,854,876x = 67,613,453,107,600
5. Step 5: Solve for x
   x = 67,613,453,107,600/3,854,876
6. Step 6: Final answer
   x = 17,539,721.93