Finding the Third Proportional to 26,290.69 and 56,820.38

Step by Step Solution

1. Step 1: Write the proportion equation
   26,290.69 : 56,820.38 = 56,820.38 : x
2. Step 2: Convert to fraction form
   26,290.69/56,820.38 = 56,820.38/x
3. Step 3: Cross multiply
   26,290.69x = 56,820.38 × 56,820.38
4. Step 4: Simplify right side
   26,290.69x = 3,228,555,015.14
5. Step 5: Solve for x
   x = 3,228,555,015.14/26,290.69
6. Step 6: Final answer
   x = 122,802.23