Finding the Third Proportional to 3,947,465 and 8,205,202

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,465 : 8,205,202 = 8,205,202 : x
2. Step 2: Convert to fraction form
   3,947,465/8,205,202 = 8,205,202/x
3. Step 3: Cross multiply
   3,947,465x = 8,205,202 × 8,205,202
4. Step 4: Simplify right side
   3,947,465x = 67,325,339,860,804
5. Step 5: Solve for x
   x = 67,325,339,860,804/3,947,465
6. Step 6: Final answer
   x = 17,055,335.48