Finding the Third Proportional to 8,079,686 and 12,862,596

Step by Step Solution

1. Step 1: Write the proportion equation
   8,079,686 : 12,862,596 = 12,862,596 : x
2. Step 2: Convert to fraction form
   8,079,686/12,862,596 = 12,862,596/x
3. Step 3: Cross multiply
   8,079,686x = 12,862,596 × 12,862,596
4. Step 4: Simplify right side
   8,079,686x = 165,446,375,859,216
5. Step 5: Solve for x
   x = 165,446,375,859,216/8,079,686
6. Step 6: Final answer
   x = 20,476,832.37