Finding the Third Proportional to 578,062 and 1,218,443

Step by Step Solution

1. Step 1: Write the proportion equation
   578,062 : 1,218,443 = 1,218,443 : x
2. Step 2: Convert to fraction form
   578,062/1,218,443 = 1,218,443/x
3. Step 3: Cross multiply
   578,062x = 1,218,443 × 1,218,443
4. Step 4: Simplify right side
   578,062x = 1,484,603,344,249
5. Step 5: Solve for x
   x = 1,484,603,344,249/578,062
6. Step 6: Final answer
   x = 2,568,242.41