Finding the Third Proportional to 645,879 and 1,008,062

Step by Step Solution

1. Step 1: Write the proportion equation
   645,879 : 1,008,062 = 1,008,062 : x
2. Step 2: Convert to fraction form
   645,879/1,008,062 = 1,008,062/x
3. Step 3: Cross multiply
   645,879x = 1,008,062 × 1,008,062
4. Step 4: Simplify right side
   645,879x = 1,016,188,995,844
5. Step 5: Solve for x
   x = 1,016,188,995,844/645,879
6. Step 6: Final answer
   x = 1,573,342.68