Finding the Third Proportional to 111,476 and 238,072

Step by Step Solution

1. Step 1: Write the proportion equation
   111,476 : 238,072 = 238,072 : x
2. Step 2: Convert to fraction form
   111,476/238,072 = 238,072/x
3. Step 3: Cross multiply
   111,476x = 238,072 × 238,072
4. Step 4: Simplify right side
   111,476x = 56,678,277,184
5. Step 5: Solve for x
   x = 56,678,277,184/111,476
6. Step 6: Final answer
   x = 508,434.79