Finding the Third Proportional to 505,314 and 1,080,648

Step by Step Solution

1. Step 1: Write the proportion equation
   505,314 : 1,080,648 = 1,080,648 : x
2. Step 2: Convert to fraction form
   505,314/1,080,648 = 1,080,648/x
3. Step 3: Cross multiply
   505,314x = 1,080,648 × 1,080,648
4. Step 4: Simplify right side
   505,314x = 1,167,800,099,904
5. Step 5: Solve for x
   x = 1,167,800,099,904/505,314
6. Step 6: Final answer
   x = 2,311,038.48