Finding the Third Proportional to 858,914 and 1,262,126

Step by Step Solution

1. Step 1: Write the proportion equation
   858,914 : 1,262,126 = 1,262,126 : x
2. Step 2: Convert to fraction form
   858,914/1,262,126 = 1,262,126/x
3. Step 3: Cross multiply
   858,914x = 1,262,126 × 1,262,126
4. Step 4: Simplify right side
   858,914x = 1,592,962,039,876
5. Step 5: Solve for x
   x = 1,592,962,039,876/858,914
6. Step 6: Final answer
   x = 1,854,623.44