Finding the Third Proportional to 225,390 and 475,930

Step by Step Solution

1. Step 1: Write the proportion equation
   225,390 : 475,930 = 475,930 : x
2. Step 2: Convert to fraction form
   225,390/475,930 = 475,930/x
3. Step 3: Cross multiply
   225,390x = 475,930 × 475,930
4. Step 4: Simplify right side
   225,390x = 226,509,364,900
5. Step 5: Solve for x
   x = 226,509,364,900/225,390
6. Step 6: Final answer
   x = 1,004,966.35