Finding the Third Proportional to 3,773,676 and 8,144,859

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773,676 : 8,144,859 = 8,144,859 : x
2. Step 2: Convert to fraction form
   3,773,676/8,144,859 = 8,144,859/x
3. Step 3: Cross multiply
   3,773,676x = 8,144,859 × 8,144,859
4. Step 4: Simplify right side
   3,773,676x = 66,338,728,129,881
5. Step 5: Solve for x
   x = 66,338,728,129,881/3,773,676
6. Step 6: Final answer
   x = 17,579,338.59