Finding the Third Proportional to 8,491,422 and 17,770,164

Step by Step Solution

1. Step 1: Write the proportion equation
   8,491,422 : 17,770,164 = 17,770,164 : x
2. Step 2: Convert to fraction form
   8,491,422/17,770,164 = 17,770,164/x
3. Step 3: Cross multiply
   8,491,422x = 17,770,164 × 17,770,164
4. Step 4: Simplify right side
   8,491,422x = 315,778,728,586,896
5. Step 5: Solve for x
   x = 315,778,728,586,896/8,491,422
6. Step 6: Final answer
   x = 37,187,967.88