Finding the Third Proportional to 159,398 and 238,790

Step by Step Solution

1. Step 1: Write the proportion equation
   159,398 : 238,790 = 238,790 : x
2. Step 2: Convert to fraction form
   159,398/238,790 = 238,790/x
3. Step 3: Cross multiply
   159,398x = 238,790 × 238,790
4. Step 4: Simplify right side
   159,398x = 57,020,664,100
5. Step 5: Solve for x
   x = 57,020,664,100/159,398
6. Step 6: Final answer
   x = 357,725.09