Finding the Third Proportional to 904,978 and 1,787,112

Step by Step Solution

1. Step 1: Write the proportion equation
   904,978 : 1,787,112 = 1,787,112 : x
2. Step 2: Convert to fraction form
   904,978/1,787,112 = 1,787,112/x
3. Step 3: Cross multiply
   904,978x = 1,787,112 × 1,787,112
4. Step 4: Simplify right side
   904,978x = 3,193,769,300,544
5. Step 5: Solve for x
   x = 3,193,769,300,544/904,978
6. Step 6: Final answer
   x = 3,529,112.64