Finding the Third Proportional to 417,878 and 902,254

Step by Step Solution

1. Step 1: Write the proportion equation
   417,878 : 902,254 = 902,254 : x
2. Step 2: Convert to fraction form
   417,878/902,254 = 902,254/x
3. Step 3: Cross multiply
   417,878x = 902,254 × 902,254
4. Step 4: Simplify right side
   417,878x = 814,062,280,516
5. Step 5: Solve for x
   x = 814,062,280,516/417,878
6. Step 6: Final answer
   x = 1,948,086.00