Finding the Third Proportional to 26,974.69 and 42,315.19

Step by Step Solution

1. Step 1: Write the proportion equation
   26,974.69 : 42,315.19 = 42,315.19 : x
2. Step 2: Convert to fraction form
   26,974.69/42,315.19 = 42,315.19/x
3. Step 3: Cross multiply
   26,974.69x = 42,315.19 × 42,315.19
4. Step 4: Simplify right side
   26,974.69x = 1,790,575,093.16
5. Step 5: Solve for x
   x = 1,790,575,093.16/26,974.69
6. Step 6: Final answer
   x = 66,379.83