Finding the Third Proportional to 8,147,990 and 17,923,036

Step by Step Solution

1. Step 1: Write the proportion equation
   8,147,990 : 17,923,036 = 17,923,036 : x
2. Step 2: Convert to fraction form
   8,147,990/17,923,036 = 17,923,036/x
3. Step 3: Cross multiply
   8,147,990x = 17,923,036 × 17,923,036
4. Step 4: Simplify right side
   8,147,990x = 321,235,219,457,296
5. Step 5: Solve for x
   x = 321,235,219,457,296/8,147,990
6. Step 6: Final answer
   x = 39,425,087.59