Finding the Third Proportional to 858,902 and 1,262,108

Step by Step Solution

1. Step 1: Write the proportion equation
   858,902 : 1,262,108 = 1,262,108 : x
2. Step 2: Convert to fraction form
   858,902/1,262,108 = 1,262,108/x
3. Step 3: Cross multiply
   858,902x = 1,262,108 × 1,262,108
4. Step 4: Simplify right side
   858,902x = 1,592,916,603,664
5. Step 5: Solve for x
   x = 1,592,916,603,664/858,902
6. Step 6: Final answer
   x = 1,854,596.45