Finding the Third Proportional to 800,434 and 1,423,392

Step by Step Solution

1. Step 1: Write the proportion equation
   800,434 : 1,423,392 = 1,423,392 : x
2. Step 2: Convert to fraction form
   800,434/1,423,392 = 1,423,392/x
3. Step 3: Cross multiply
   800,434x = 1,423,392 × 1,423,392
4. Step 4: Simplify right side
   800,434x = 2,026,044,785,664
5. Step 5: Solve for x
   x = 2,026,044,785,664/800,434
6. Step 6: Final answer
   x = 2,531,182.82