Finding the Third Proportional to 3,845,987 and 8,206,834

Step by Step Solution

1. Step 1: Write the proportion equation
   3,845,987 : 8,206,834 = 8,206,834 : x
2. Step 2: Convert to fraction form
   3,845,987/8,206,834 = 8,206,834/x
3. Step 3: Cross multiply
   3,845,987x = 8,206,834 × 8,206,834
4. Step 4: Simplify right side
   3,845,987x = 67,352,124,303,556
5. Step 5: Solve for x
   x = 67,352,124,303,556/3,845,987
6. Step 6: Final answer
   x = 17,512,312.00