Finding the Third Proportional to 156,778 and 238,449

Step by Step Solution

1. Step 1: Write the proportion equation
   156,778 : 238,449 = 238,449 : x
2. Step 2: Convert to fraction form
   156,778/238,449 = 238,449/x
3. Step 3: Cross multiply
   156,778x = 238,449 × 238,449
4. Step 4: Simplify right side
   156,778x = 56,857,925,601
5. Step 5: Solve for x
   x = 56,857,925,601/156,778
6. Step 6: Final answer
   x = 362,665.21