Finding the Third Proportional to 8,662,118 and 12,109,812

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662,118 : 12,109,812 = 12,109,812 : x
2. Step 2: Convert to fraction form
   8,662,118/12,109,812 = 12,109,812/x
3. Step 3: Cross multiply
   8,662,118x = 12,109,812 × 12,109,812
4. Step 4: Simplify right side
   8,662,118x = 146,647,546,675,344
5. Step 5: Solve for x
   x = 146,647,546,675,344/8,662,118
6. Step 6: Final answer
   x = 16,929,756.29