Finding the Third Proportional to 417,870 and 902,238

Step by Step Solution

1. Step 1: Write the proportion equation
   417,870 : 902,238 = 902,238 : x
2. Step 2: Convert to fraction form
   417,870/902,238 = 902,238/x
3. Step 3: Cross multiply
   417,870x = 902,238 × 902,238
4. Step 4: Simplify right side
   417,870x = 814,033,408,644
5. Step 5: Solve for x
   x = 814,033,408,644/417,870
6. Step 6: Final answer
   x = 1,948,054.20