Finding the Third Proportional to 6,158,632 and 8,871,234

Step by Step Solution

1. Step 1: Write the proportion equation
   6,158,632 : 8,871,234 = 8,871,234 : x
2. Step 2: Convert to fraction form
   6,158,632/8,871,234 = 8,871,234/x
3. Step 3: Cross multiply
   6,158,632x = 8,871,234 × 8,871,234
4. Step 4: Simplify right side
   6,158,632x = 78,698,792,682,756
5. Step 5: Solve for x
   x = 78,698,792,682,756/6,158,632
6. Step 6: Final answer
   x = 12,778,615.88