Finding the Third Proportional to 904,372 and 1,990,908

Step by Step Solution

1. Step 1: Write the proportion equation
   904,372 : 1,990,908 = 1,990,908 : x
2. Step 2: Convert to fraction form
   904,372/1,990,908 = 1,990,908/x
3. Step 3: Cross multiply
   904,372x = 1,990,908 × 1,990,908
4. Step 4: Simplify right side
   904,372x = 3,963,714,664,464
5. Step 5: Solve for x
   x = 3,963,714,664,464/904,372
6. Step 6: Final answer
   x = 4,382,836.56