Finding the Third Proportional to 664,942 and 1,377,182

Step by Step Solution

1. Step 1: Write the proportion equation
   664,942 : 1,377,182 = 1,377,182 : x
2. Step 2: Convert to fraction form
   664,942/1,377,182 = 1,377,182/x
3. Step 3: Cross multiply
   664,942x = 1,377,182 × 1,377,182
4. Step 4: Simplify right side
   664,942x = 1,896,630,261,124
5. Step 5: Solve for x
   x = 1,896,630,261,124/664,942
6. Step 6: Final answer
   x = 2,852,324.35