Finding the Third Proportional to 853,932 and 1,858,200

Step by Step Solution

1. Step 1: Write the proportion equation
   853,932 : 1,858,200 = 1,858,200 : x
2. Step 2: Convert to fraction form
   853,932/1,858,200 = 1,858,200/x
3. Step 3: Cross multiply
   853,932x = 1,858,200 × 1,858,200
4. Step 4: Simplify right side
   853,932x = 3,452,907,240,000
5. Step 5: Solve for x
   x = 3,452,907,240,000/853,932
6. Step 6: Final answer
   x = 4,043,538.88