Finding the Third Proportional to 858,498 and 1,165,955

Step by Step Solution

1. Step 1: Write the proportion equation
   858,498 : 1,165,955 = 1,165,955 : x
2. Step 2: Convert to fraction form
   858,498/1,165,955 = 1,165,955/x
3. Step 3: Cross multiply
   858,498x = 1,165,955 × 1,165,955
4. Step 4: Simplify right side
   858,498x = 1,359,451,062,025
5. Step 5: Solve for x
   x = 1,359,451,062,025/858,498
6. Step 6: Final answer
   x = 1,583,522.69