Finding the Third Proportional to 800,826 and 1,078,659

Step by Step Solution

1. Step 1: Write the proportion equation
   800,826 : 1,078,659 = 1,078,659 : x
2. Step 2: Convert to fraction form
   800,826/1,078,659 = 1,078,659/x
3. Step 3: Cross multiply
   800,826x = 1,078,659 × 1,078,659
4. Step 4: Simplify right side
   800,826x = 1,163,505,238,281
5. Step 5: Solve for x
   x = 1,163,505,238,281/800,826
6. Step 6: Final answer
   x = 1,452,881.45