Finding the Third Proportional to 853,584 and 1,867,872

Step by Step Solution

1. Step 1: Write the proportion equation
   853,584 : 1,867,872 = 1,867,872 : x
2. Step 2: Convert to fraction form
   853,584/1,867,872 = 1,867,872/x
3. Step 3: Cross multiply
   853,584x = 1,867,872 × 1,867,872
4. Step 4: Simplify right side
   853,584x = 3,488,945,808,384
5. Step 5: Solve for x
   x = 3,488,945,808,384/853,584
6. Step 6: Final answer
   x = 4,087,407.69