Finding the Third Proportional to 3,947,476 and 8,205,224

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,476 : 8,205,224 = 8,205,224 : x
2. Step 2: Convert to fraction form
   3,947,476/8,205,224 = 8,205,224/x
3. Step 3: Cross multiply
   3,947,476x = 8,205,224 × 8,205,224
4. Step 4: Simplify right side
   3,947,476x = 67,325,700,890,176
5. Step 5: Solve for x
   x = 67,325,700,890,176/3,947,476
6. Step 6: Final answer
   x = 17,055,379.41