Finding the Third Proportional to 904,351 and 1,399,670

Step by Step Solution

1. Step 1: Write the proportion equation
   904,351 : 1,399,670 = 1,399,670 : x
2. Step 2: Convert to fraction form
   904,351/1,399,670 = 1,399,670/x
3. Step 3: Cross multiply
   904,351x = 1,399,670 × 1,399,670
4. Step 4: Simplify right side
   904,351x = 1,959,076,108,900
5. Step 5: Solve for x
   x = 1,959,076,108,900/904,351
6. Step 6: Final answer
   x = 2,166,278.48