Finding the Third Proportional to 999,648 and 1,598,816

Step by Step Solution

1. Step 1: Write the proportion equation
   999,648 : 1,598,816 = 1,598,816 : x
2. Step 2: Convert to fraction form
   999,648/1,598,816 = 1,598,816/x
3. Step 3: Cross multiply
   999,648x = 1,598,816 × 1,598,816
4. Step 4: Simplify right side
   999,648x = 2,556,212,601,856
5. Step 5: Solve for x
   x = 2,556,212,601,856/999,648
6. Step 6: Final answer
   x = 2,557,112.71