Finding the Third Proportional to 858,672 and 1,261,746

Step by Step Solution

1. Step 1: Write the proportion equation
   858,672 : 1,261,746 = 1,261,746 : x
2. Step 2: Convert to fraction form
   858,672/1,261,746 = 1,261,746/x
3. Step 3: Cross multiply
   858,672x = 1,261,746 × 1,261,746
4. Step 4: Simplify right side
   858,672x = 1,592,002,968,516
5. Step 5: Solve for x
   x = 1,592,002,968,516/858,672
6. Step 6: Final answer
   x = 1,854,029.21