Finding the Third Proportional to 3,874,198 and 8,445,948

Step by Step Solution

1. Step 1: Write the proportion equation
   3,874,198 : 8,445,948 = 8,445,948 : x
2. Step 2: Convert to fraction form
   3,874,198/8,445,948 = 8,445,948/x
3. Step 3: Cross multiply
   3,874,198x = 8,445,948 × 8,445,948
4. Step 4: Simplify right side
   3,874,198x = 71,334,037,618,704
5. Step 5: Solve for x
   x = 71,334,037,618,704/3,874,198
6. Step 6: Final answer
   x = 18,412,594.71