Finding the Third Proportional to 858,674 and 1,261,752

Step by Step Solution

1. Step 1: Write the proportion equation
   858,674 : 1,261,752 = 1,261,752 : x
2. Step 2: Convert to fraction form
   858,674/1,261,752 = 1,261,752/x
3. Step 3: Cross multiply
   858,674x = 1,261,752 × 1,261,752
4. Step 4: Simplify right side
   858,674x = 1,592,018,109,504
5. Step 5: Solve for x
   x = 1,592,018,109,504/858,674
6. Step 6: Final answer
   x = 1,854,042.52