Finding the Third Proportional to 26,289.56 and 56,315.25

Step by Step Solution

1. Step 1: Write the proportion equation
   26,289.56 : 56,315.25 = 56,315.25 : x
2. Step 2: Convert to fraction form
   26,289.56/56,315.25 = 56,315.25/x
3. Step 3: Cross multiply
   26,289.56x = 56,315.25 × 56,315.25
4. Step 4: Simplify right side
   26,289.56x = 3,171,407,382.56
5. Step 5: Solve for x
   x = 3,171,407,382.56/26,289.56
6. Step 6: Final answer
   x = 120,633.71