Finding the Third Proportional to 51,716.25 and 79,059.38

Step by Step Solution

1. Step 1: Write the proportion equation
   51,716.25 : 79,059.38 = 79,059.38 : x
2. Step 2: Convert to fraction form
   51,716.25/79,059.38 = 79,059.38/x
3. Step 3: Cross multiply
   51,716.25x = 79,059.38 × 79,059.38
4. Step 4: Simplify right side
   51,716.25x = 6,250,384,775.39
5. Step 5: Solve for x
   x = 6,250,384,775.39/51,716.25
6. Step 6: Final answer
   x = 120,859.20