Finding the Third Proportional to 4,184,739 and 8,871,732

Step by Step Solution

1. Step 1: Write the proportion equation
   4,184,739 : 8,871,732 = 8,871,732 : x
2. Step 2: Convert to fraction form
   4,184,739/8,871,732 = 8,871,732/x
3. Step 3: Cross multiply
   4,184,739x = 8,871,732 × 8,871,732
4. Step 4: Simplify right side
   4,184,739x = 78,707,628,679,824
5. Step 5: Solve for x
   x = 78,707,628,679,824/4,184,739
6. Step 6: Final answer
   x = 18,808,252.72