Finding the Third Proportional to 8,435,540 and 12,771,610

Step by Step Solution

1. Step 1: Write the proportion equation
   8,435,540 : 12,771,610 = 12,771,610 : x
2. Step 2: Convert to fraction form
   8,435,540/12,771,610 = 12,771,610/x
3. Step 3: Cross multiply
   8,435,540x = 12,771,610 × 12,771,610
4. Step 4: Simplify right side
   8,435,540x = 163,114,021,992,100
5. Step 5: Solve for x
   x = 163,114,021,992,100/8,435,540
6. Step 6: Final answer
   x = 19,336,524.04