Finding the Third Proportional to 858,899 and 1,262,104

Step by Step Solution

1. Step 1: Write the proportion equation
   858,899 : 1,262,104 = 1,262,104 : x
2. Step 2: Convert to fraction form
   858,899/1,262,104 = 1,262,104/x
3. Step 3: Cross multiply
   858,899x = 1,262,104 × 1,262,104
4. Step 4: Simplify right side
   858,899x = 1,592,906,506,816
5. Step 5: Solve for x
   x = 1,592,906,506,816/858,899
6. Step 6: Final answer
   x = 1,854,591.18