Finding the Third Proportional to 3,786,049 and 8,210,891

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,049 : 8,210,891 = 8,210,891 : x
2. Step 2: Convert to fraction form
   3,786,049/8,210,891 = 8,210,891/x
3. Step 3: Cross multiply
   3,786,049x = 8,210,891 × 8,210,891
4. Step 4: Simplify right side
   3,786,049x = 67,418,731,013,881
5. Step 5: Solve for x
   x = 67,418,731,013,881/3,786,049
6. Step 6: Final answer
   x = 17,807,146.98