Finding the Third Proportional to 8,491,434 and 17,770,188

Step by Step Solution

1. Step 1: Write the proportion equation
   8,491,434 : 17,770,188 = 17,770,188 : x
2. Step 2: Convert to fraction form
   8,491,434/17,770,188 = 17,770,188/x
3. Step 3: Cross multiply
   8,491,434x = 17,770,188 × 17,770,188
4. Step 4: Simplify right side
   8,491,434x = 315,779,581,555,344
5. Step 5: Solve for x
   x = 315,779,581,555,344/8,491,434
6. Step 6: Final answer
   x = 37,188,015.78