Finding the Third Proportional to 3,880,012 and 8,379,512

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880,012 : 8,379,512 = 8,379,512 : x
2. Step 2: Convert to fraction form
   3,880,012/8,379,512 = 8,379,512/x
3. Step 3: Cross multiply
   3,880,012x = 8,379,512 × 8,379,512
4. Step 4: Simplify right side
   3,880,012x = 70,216,221,358,144
5. Step 5: Solve for x
   x = 70,216,221,358,144/3,880,012
6. Step 6: Final answer
   x = 18,096,908.30