Finding the Third Proportional to 677,436 and 1,493,112

Step by Step Solution

1. Step 1: Write the proportion equation
   677,436 : 1,493,112 = 1,493,112 : x
2. Step 2: Convert to fraction form
   677,436/1,493,112 = 1,493,112/x
3. Step 3: Cross multiply
   677,436x = 1,493,112 × 1,493,112
4. Step 4: Simplify right side
   677,436x = 2,229,383,444,544
5. Step 5: Solve for x
   x = 2,229,383,444,544/677,436
6. Step 6: Final answer
   x = 3,290,913.75