Finding the Third Proportional to 222,992 and 476,512

Step by Step Solution

1. Step 1: Write the proportion equation
   222,992 : 476,512 = 476,512 : x
2. Step 2: Convert to fraction form
   222,992/476,512 = 476,512/x
3. Step 3: Cross multiply
   222,992x = 476,512 × 476,512
4. Step 4: Simplify right side
   222,992x = 227,063,686,144
5. Step 5: Solve for x
   x = 227,063,686,144/222,992
6. Step 6: Final answer
   x = 1,018,259.34