Finding the Third Proportional to 108,912 and 238,782

Step by Step Solution

1. Step 1: Write the proportion equation
   108,912 : 238,782 = 238,782 : x
2. Step 2: Convert to fraction form
   108,912/238,782 = 238,782/x
3. Step 3: Cross multiply
   108,912x = 238,782 × 238,782
4. Step 4: Simplify right side
   108,912x = 57,016,843,524
5. Step 5: Solve for x
   x = 57,016,843,524/108,912
6. Step 6: Final answer
   x = 523,512.96