Finding the Third Proportional to 418,992 and 904,384

Step by Step Solution

1. Step 1: Write the proportion equation
   418,992 : 904,384 = 904,384 : x
2. Step 2: Convert to fraction form
   418,992/904,384 = 904,384/x
3. Step 3: Cross multiply
   418,992x = 904,384 × 904,384
4. Step 4: Simplify right side
   418,992x = 817,910,419,456
5. Step 5: Solve for x
   x = 817,910,419,456/418,992
6. Step 6: Final answer
   x = 1,952,090.78