Finding the Third Proportional to 904,878 and 1,399,828

Step by Step Solution

1. Step 1: Write the proportion equation
   904,878 : 1,399,828 = 1,399,828 : x
2. Step 2: Convert to fraction form
   904,878/1,399,828 = 1,399,828/x
3. Step 3: Cross multiply
   904,878x = 1,399,828 × 1,399,828
4. Step 4: Simplify right side
   904,878x = 1,959,518,429,584
5. Step 5: Solve for x
   x = 1,959,518,429,584/904,878
6. Step 6: Final answer
   x = 2,165,505.66