Finding the Third Proportional to 664,596 and 1,423,692

Step by Step Solution

1. Step 1: Write the proportion equation
   664,596 : 1,423,692 = 1,423,692 : x
2. Step 2: Convert to fraction form
   664,596/1,423,692 = 1,423,692/x
3. Step 3: Cross multiply
   664,596x = 1,423,692 × 1,423,692
4. Step 4: Simplify right side
   664,596x = 2,026,898,910,864
5. Step 5: Solve for x
   x = 2,026,898,910,864/664,596
6. Step 6: Final answer
   x = 3,049,821.11