Finding the Third Proportional to 8,038,434 and 12,057,779

Step by Step Solution

1. Step 1: Write the proportion equation
   8,038,434 : 12,057,779 = 12,057,779 : x
2. Step 2: Convert to fraction form
   8,038,434/12,057,779 = 12,057,779/x
3. Step 3: Cross multiply
   8,038,434x = 12,057,779 × 12,057,779
4. Step 4: Simplify right side
   8,038,434x = 145,390,034,412,841
5. Step 5: Solve for x
   x = 145,390,034,412,841/8,038,434
6. Step 6: Final answer
   x = 18,086,860.50