Finding the Third Proportional to 111,926 and 241,578

Step by Step Solution

1. Step 1: Write the proportion equation
   111,926 : 241,578 = 241,578 : x
2. Step 2: Convert to fraction form
   111,926/241,578 = 241,578/x
3. Step 3: Cross multiply
   111,926x = 241,578 × 241,578
4. Step 4: Simplify right side
   111,926x = 58,359,930,084
5. Step 5: Solve for x
   x = 58,359,930,084/111,926
6. Step 6: Final answer
   x = 521,415.31