Finding the Third Proportional to 858,264 and 1,827,408

Step by Step Solution

1. Step 1: Write the proportion equation
   858,264 : 1,827,408 = 1,827,408 : x
2. Step 2: Convert to fraction form
   858,264/1,827,408 = 1,827,408/x
3. Step 3: Cross multiply
   858,264x = 1,827,408 × 1,827,408
4. Step 4: Simplify right side
   858,264x = 3,339,419,998,464
5. Step 5: Solve for x
   x = 3,339,419,998,464/858,264
6. Step 6: Final answer
   x = 3,890,900.70