Finding the Third Proportional to 853,172 and 1,867,048

Step by Step Solution

1. Step 1: Write the proportion equation
   853,172 : 1,867,048 = 1,867,048 : x
2. Step 2: Convert to fraction form
   853,172/1,867,048 = 1,867,048/x
3. Step 3: Cross multiply
   853,172x = 1,867,048 × 1,867,048
4. Step 4: Simplify right side
   853,172x = 3,485,868,234,304
5. Step 5: Solve for x
   x = 3,485,868,234,304/853,172
6. Step 6: Final answer
   x = 4,085,774.30