Finding the Third Proportional to 4,184,732 and 8,871,718

Step by Step Solution

1. Step 1: Write the proportion equation
   4,184,732 : 8,871,718 = 8,871,718 : x
2. Step 2: Convert to fraction form
   4,184,732/8,871,718 = 8,871,718/x
3. Step 3: Cross multiply
   4,184,732x = 8,871,718 × 8,871,718
4. Step 4: Simplify right side
   4,184,732x = 78,707,380,271,524
5. Step 5: Solve for x
   x = 78,707,380,271,524/4,184,732
6. Step 6: Final answer
   x = 18,808,224.82