Finding the Third Proportional to 26,509.78 and 57,082.22

Step by Step Solution

1. Step 1: Write the proportion equation
   26,509.78 : 57,082.22 = 57,082.22 : x
2. Step 2: Convert to fraction form
   26,509.78/57,082.22 = 57,082.22/x
3. Step 3: Cross multiply
   26,509.78x = 57,082.22 × 57,082.22
4. Step 4: Simplify right side
   26,509.78x = 3,258,379,697.42
5. Step 5: Solve for x
   x = 3,258,379,697.42/26,509.78
6. Step 6: Final answer
   x = 122,912.36