Finding the Third Proportional to 3,803,804 and 8,206,813

Step by Step Solution

1. Step 1: Write the proportion equation
   3,803,804 : 8,206,813 = 8,206,813 : x
2. Step 2: Convert to fraction form
   3,803,804/8,206,813 = 8,206,813/x
3. Step 3: Cross multiply
   3,803,804x = 8,206,813 × 8,206,813
4. Step 4: Simplify right side
   3,803,804x = 67,351,779,616,969
5. Step 5: Solve for x
   x = 67,351,779,616,969/3,803,804
6. Step 6: Final answer
   x = 17,706,427.46