Finding the Third Proportional to 579,048 and 1,290,936

Step by Step Solution

1. Step 1: Write the proportion equation
   579,048 : 1,290,936 = 1,290,936 : x
2. Step 2: Convert to fraction form
   579,048/1,290,936 = 1,290,936/x
3. Step 3: Cross multiply
   579,048x = 1,290,936 × 1,290,936
4. Step 4: Simplify right side
   579,048x = 1,666,515,756,096
5. Step 5: Solve for x
   x = 1,666,515,756,096/579,048
6. Step 6: Final answer
   x = 2,878,026.96