Finding the Third Proportional to 238,476 and 492,072

Step by Step Solution

1. Step 1: Write the proportion equation
   238,476 : 492,072 = 492,072 : x
2. Step 2: Convert to fraction form
   238,476/492,072 = 492,072/x
3. Step 3: Cross multiply
   238,476x = 492,072 × 492,072
4. Step 4: Simplify right side
   238,476x = 242,134,853,184
5. Step 5: Solve for x
   x = 242,134,853,184/238,476
6. Step 6: Final answer
   x = 1,015,342.65