Finding the Third Proportional to 665,505 and 1,456,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   665,505 : 1,456,931.25 = 1,456,931.25 : x
2. Step 2: Convert to fraction form
   665,505/1,456,931.25 = 1,456,931.25/x
3. Step 3: Cross multiply
   665,505x = 1,456,931.25 × 1,456,931.25
4. Step 4: Simplify right side
   665,505x = 2,122,648,667,226.56
5. Step 5: Solve for x
   x = 2,122,648,667,226.56/665,505
6. Step 6: Final answer
   x = 3,189,530.76