Finding the Third Proportional to 904,348 and 1,399,666

Step by Step Solution

1. Step 1: Write the proportion equation
   904,348 : 1,399,666 = 1,399,666 : x
2. Step 2: Convert to fraction form
   904,348/1,399,666 = 1,399,666/x
3. Step 3: Cross multiply
   904,348x = 1,399,666 × 1,399,666
4. Step 4: Simplify right side
   904,348x = 1,959,064,911,556
5. Step 5: Solve for x
   x = 1,959,064,911,556/904,348
6. Step 6: Final answer
   x = 2,166,273.28