Finding the Third Proportional to 108,740 and 238,864

Step by Step Solution

1. Step 1: Write the proportion equation
   108,740 : 238,864 = 238,864 : x
2. Step 2: Convert to fraction form
   108,740/238,864 = 238,864/x
3. Step 3: Cross multiply
   108,740x = 238,864 × 238,864
4. Step 4: Simplify right side
   108,740x = 57,056,010,496
5. Step 5: Solve for x
   x = 57,056,010,496/108,740
6. Step 6: Final answer
   x = 524,701.22