Finding the Third Proportional to 108,918 and 234,522

Step by Step Solution

1. Step 1: Write the proportion equation
   108,918 : 234,522 = 234,522 : x
2. Step 2: Convert to fraction form
   108,918/234,522 = 234,522/x
3. Step 3: Cross multiply
   108,918x = 234,522 × 234,522
4. Step 4: Simplify right side
   108,918x = 55,000,568,484
5. Step 5: Solve for x
   x = 55,000,568,484/108,918
6. Step 6: Final answer
   x = 504,972.26