Finding the Third Proportional to 904,356 and 1,399,674

Step by Step Solution

1. Step 1: Write the proportion equation
   904,356 : 1,399,674 = 1,399,674 : x
2. Step 2: Convert to fraction form
   904,356/1,399,674 = 1,399,674/x
3. Step 3: Cross multiply
   904,356x = 1,399,674 × 1,399,674
4. Step 4: Simplify right side
   904,356x = 1,959,087,306,276
5. Step 5: Solve for x
   x = 1,959,087,306,276/904,356
6. Step 6: Final answer
   x = 2,166,278.88