Finding the Third Proportional to 26,912.50 and 42,003.75

Step by Step Solution

1. Step 1: Write the proportion equation
   26,912.50 : 42,003.75 = 42,003.75 : x
2. Step 2: Convert to fraction form
   26,912.50/42,003.75 = 42,003.75/x
3. Step 3: Cross multiply
   26,912.50x = 42,003.75 × 42,003.75
4. Step 4: Simplify right side
   26,912.50x = 1,764,315,014.06
5. Step 5: Solve for x
   x = 1,764,315,014.06/26,912.50
6. Step 6: Final answer
   x = 65,557.46