Finding the Third Proportional to 145,942 and 238,281

Step by Step Solution

1. Step 1: Write the proportion equation
   145,942 : 238,281 = 238,281 : x
2. Step 2: Convert to fraction form
   145,942/238,281 = 238,281/x
3. Step 3: Cross multiply
   145,942x = 238,281 × 238,281
4. Step 4: Simplify right side
   145,942x = 56,777,834,961
5. Step 5: Solve for x
   x = 56,777,834,961/145,942
6. Step 6: Final answer
   x = 389,043.83