Finding the Third Proportional to 853,188 and 1,867,080

Step by Step Solution

1. Step 1: Write the proportion equation
   853,188 : 1,867,080 = 1,867,080 : x
2. Step 2: Convert to fraction form
   853,188/1,867,080 = 1,867,080/x
3. Step 3: Cross multiply
   853,188x = 1,867,080 × 1,867,080
4. Step 4: Simplify right side
   853,188x = 3,485,987,726,400
5. Step 5: Solve for x
   x = 3,485,987,726,400/853,188
6. Step 6: Final answer
   x = 4,085,837.74