Finding the Third Proportional to 800,872 and 1,423,664

Step by Step Solution

1. Step 1: Write the proportion equation
   800,872 : 1,423,664 = 1,423,664 : x
2. Step 2: Convert to fraction form
   800,872/1,423,664 = 1,423,664/x
3. Step 3: Cross multiply
   800,872x = 1,423,664 × 1,423,664
4. Step 4: Simplify right side
   800,872x = 2,026,819,184,896
5. Step 5: Solve for x
   x = 2,026,819,184,896/800,872
6. Step 6: Final answer
   x = 2,530,765.45