Finding the Third Proportional to 26,291.63 and 57,019.31

Step by Step Solution

1. Step 1: Write the proportion equation
   26,291.63 : 57,019.31 = 57,019.31 : x
2. Step 2: Convert to fraction form
   26,291.63/57,019.31 = 57,019.31/x
3. Step 3: Cross multiply
   26,291.63x = 57,019.31 × 57,019.31
4. Step 4: Simplify right side
   26,291.63x = 3,251,201,997.97
5. Step 5: Solve for x
   x = 3,251,201,997.97/26,291.63
6. Step 6: Final answer
   x = 123,659.23