Finding the Third Proportional to 3,315,086 and 4,679,222

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,086 : 4,679,222 = 4,679,222 : x
2. Step 2: Convert to fraction form
   3,315,086/4,679,222 = 4,679,222/x
3. Step 3: Cross multiply
   3,315,086x = 4,679,222 × 4,679,222
4. Step 4: Simplify right side
   3,315,086x = 21,895,118,525,284
5. Step 5: Solve for x
   x = 21,895,118,525,284/3,315,086
6. Step 6: Final answer
   x = 6,604,690.96