Finding the Third Proportional to 108,505 and 237,698

Step by Step Solution

1. Step 1: Write the proportion equation
   108,505 : 237,698 = 237,698 : x
2. Step 2: Convert to fraction form
   108,505/237,698 = 237,698/x
3. Step 3: Cross multiply
   108,505x = 237,698 × 237,698
4. Step 4: Simplify right side
   108,505x = 56,500,339,204
5. Step 5: Solve for x
   x = 56,500,339,204/108,505
6. Step 6: Final answer
   x = 520,716.46