Finding the Third Proportional to 156,768 and 238,839

Step by Step Solution

1. Step 1: Write the proportion equation
   156,768 : 238,839 = 238,839 : x
2. Step 2: Convert to fraction form
   156,768/238,839 = 238,839/x
3. Step 3: Cross multiply
   156,768x = 238,839 × 238,839
4. Step 4: Simplify right side
   156,768x = 57,044,067,921
5. Step 5: Solve for x
   x = 57,044,067,921/156,768
6. Step 6: Final answer
   x = 363,875.71