Finding the Third Proportional to 159,855 and 238,683.75

Step by Step Solution

1. Step 1: Write the proportion equation
   159,855 : 238,683.75 = 238,683.75 : x
2. Step 2: Convert to fraction form
   159,855/238,683.75 = 238,683.75/x
3. Step 3: Cross multiply
   159,855x = 238,683.75 × 238,683.75
4. Step 4: Simplify right side
   159,855x = 56,969,932,514.06
5. Step 5: Solve for x
   x = 56,969,932,514.06/159,855
6. Step 6: Final answer
   x = 356,385.05