Finding the Third Proportional to 8,662,107 and 12,109,791

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662,107 : 12,109,791 = 12,109,791 : x
2. Step 2: Convert to fraction form
   8,662,107/12,109,791 = 12,109,791/x
3. Step 3: Cross multiply
   8,662,107x = 12,109,791 × 12,109,791
4. Step 4: Simplify right side
   8,662,107x = 146,647,038,063,681
5. Step 5: Solve for x
   x = 146,647,038,063,681/8,662,107
6. Step 6: Final answer
   x = 16,929,719.07