Finding the Third Proportional to 904,128 and 1,400,844

Step by Step Solution

1. Step 1: Write the proportion equation
   904,128 : 1,400,844 = 1,400,844 : x
2. Step 2: Convert to fraction form
   904,128/1,400,844 = 1,400,844/x
3. Step 3: Cross multiply
   904,128x = 1,400,844 × 1,400,844
4. Step 4: Simplify right side
   904,128x = 1,962,363,912,336
5. Step 5: Solve for x
   x = 1,962,363,912,336/904,128
6. Step 6: Final answer
   x = 2,170,449.22