Finding the Third Proportional to 904,606 and 1,399,418

Step by Step Solution

1. Step 1: Write the proportion equation
   904,606 : 1,399,418 = 1,399,418 : x
2. Step 2: Convert to fraction form
   904,606/1,399,418 = 1,399,418/x
3. Step 3: Cross multiply
   904,606x = 1,399,418 × 1,399,418
4. Step 4: Simplify right side
   904,606x = 1,958,370,738,724
5. Step 5: Solve for x
   x = 1,958,370,738,724/904,606
6. Step 6: Final answer
   x = 2,164,888.07