Finding the Third Proportional to 584,436 and 1,259,916

Step by Step Solution

1. Step 1: Write the proportion equation
   584,436 : 1,259,916 = 1,259,916 : x
2. Step 2: Convert to fraction form
   584,436/1,259,916 = 1,259,916/x
3. Step 3: Cross multiply
   584,436x = 1,259,916 × 1,259,916
4. Step 4: Simplify right side
   584,436x = 1,587,388,327,056
5. Step 5: Solve for x
   x = 1,587,388,327,056/584,436
6. Step 6: Final answer
   x = 2,716,102.92