Finding the Third Proportional to 588,458 and 1,259,860

Step by Step Solution

1. Step 1: Write the proportion equation
   588,458 : 1,259,860 = 1,259,860 : x
2. Step 2: Convert to fraction form
   588,458/1,259,860 = 1,259,860/x
3. Step 3: Cross multiply
   588,458x = 1,259,860 × 1,259,860
4. Step 4: Simplify right side
   588,458x = 1,587,247,219,600
5. Step 5: Solve for x
   x = 1,587,247,219,600/588,458
6. Step 6: Final answer
   x = 2,697,299.08