Finding the Third Proportional to 665,067 and 1,377,429

Step by Step Solution

1. Step 1: Write the proportion equation
   665,067 : 1,377,429 = 1,377,429 : x
2. Step 2: Convert to fraction form
   665,067/1,377,429 = 1,377,429/x
3. Step 3: Cross multiply
   665,067x = 1,377,429 × 1,377,429
4. Step 4: Simplify right side
   665,067x = 1,897,310,650,041
5. Step 5: Solve for x
   x = 1,897,310,650,041/665,067
6. Step 6: Final answer
   x = 2,852,811.30