Finding the Third Proportional to 904,354 and 1,399,673

Step by Step Solution

1. Step 1: Write the proportion equation
   904,354 : 1,399,673 = 1,399,673 : x
2. Step 2: Convert to fraction form
   904,354/1,399,673 = 1,399,673/x
3. Step 3: Cross multiply
   904,354x = 1,399,673 × 1,399,673
4. Step 4: Simplify right side
   904,354x = 1,959,084,506,929
5. Step 5: Solve for x
   x = 1,959,084,506,929/904,354
6. Step 6: Final answer
   x = 2,166,280.58