Finding the Third Proportional to 26,812.69 and 57,781.69

Step by Step Solution

1. Step 1: Write the proportion equation
   26,812.69 : 57,781.69 = 57,781.69 : x
2. Step 2: Convert to fraction form
   26,812.69/57,781.69 = 57,781.69/x
3. Step 3: Cross multiply
   26,812.69x = 57,781.69 × 57,781.69
4. Step 4: Simplify right side
   26,812.69x = 3,338,723,410.35
5. Step 5: Solve for x
   x = 3,338,723,410.35/26,812.69
6. Step 6: Final answer
   x = 124,520.28