Finding the Third Proportional to 3,958,926 and 8,477,724

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958,926 : 8,477,724 = 8,477,724 : x
2. Step 2: Convert to fraction form
   3,958,926/8,477,724 = 8,477,724/x
3. Step 3: Cross multiply
   3,958,926x = 8,477,724 × 8,477,724
4. Step 4: Simplify right side
   3,958,926x = 71,871,804,220,176
5. Step 5: Solve for x
   x = 71,871,804,220,176/3,958,926
6. Step 6: Final answer
   x = 18,154,369.20