Finding the Third Proportional to 904,610 and 1,399,423

Step by Step Solution

1. Step 1: Write the proportion equation
   904,610 : 1,399,423 = 1,399,423 : x
2. Step 2: Convert to fraction form
   904,610/1,399,423 = 1,399,423/x
3. Step 3: Cross multiply
   904,610x = 1,399,423 × 1,399,423
4. Step 4: Simplify right side
   904,610x = 1,958,384,732,929
5. Step 5: Solve for x
   x = 1,958,384,732,929/904,610
6. Step 6: Final answer
   x = 2,164,893.97