Finding the Third Proportional to 8,662,120 and 12,109,814

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662,120 : 12,109,814 = 12,109,814 : x
2. Step 2: Convert to fraction form
   8,662,120/12,109,814 = 12,109,814/x
3. Step 3: Cross multiply
   8,662,120x = 12,109,814 × 12,109,814
4. Step 4: Simplify right side
   8,662,120x = 146,647,595,114,596
5. Step 5: Solve for x
   x = 146,647,595,114,596/8,662,120
6. Step 6: Final answer
   x = 16,929,757.97