Finding the Third Proportional to 665,310 and 1,425,876

Step by Step Solution

1. Step 1: Write the proportion equation
   665,310 : 1,425,876 = 1,425,876 : x
2. Step 2: Convert to fraction form
   665,310/1,425,876 = 1,425,876/x
3. Step 3: Cross multiply
   665,310x = 1,425,876 × 1,425,876
4. Step 4: Simplify right side
   665,310x = 2,033,122,367,376
5. Step 5: Solve for x
   x = 2,033,122,367,376/665,310
6. Step 6: Final answer
   x = 3,055,902.31