Finding the Third Proportional to 3,806,167 and 8,206,499

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,167 : 8,206,499 = 8,206,499 : x
2. Step 2: Convert to fraction form
   3,806,167/8,206,499 = 8,206,499/x
3. Step 3: Cross multiply
   3,806,167x = 8,206,499 × 8,206,499
4. Step 4: Simplify right side
   3,806,167x = 67,346,625,837,001
5. Step 5: Solve for x
   x = 67,346,625,837,001/3,806,167
6. Step 6: Final answer
   x = 17,694,080.64