Finding the Third Proportional to 3,958,931 and 8,477,733

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958,931 : 8,477,733 = 8,477,733 : x
2. Step 2: Convert to fraction form
   3,958,931/8,477,733 = 8,477,733/x
3. Step 3: Cross multiply
   3,958,931x = 8,477,733 × 8,477,733
4. Step 4: Simplify right side
   3,958,931x = 71,871,956,819,289
5. Step 5: Solve for x
   x = 71,871,956,819,289/3,958,931
6. Step 6: Final answer
   x = 18,154,384.81