Finding the Third Proportional to 1,837.69 and 3,969

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.69 : 3,969 = 3,969 : x
2. Step 2: Convert to fraction form
   1,837.69/3,969 = 3,969/x
3. Step 3: Cross multiply
   1,837.69x = 3,969 × 3,969
4. Step 4: Simplify right side
   1,837.69x = 15,752,961
5. Step 5: Solve for x
   x = 15,752,961/1,837.69
6. Step 6: Final answer
   x = 8,572.17