Finding the Third Proportional to 51,716.25 and 82,975.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,716.25 : 82,975.50 = 82,975.50 : x
2. Step 2: Convert to fraction form
   51,716.25/82,975.50 = 82,975.50/x
3. Step 3: Cross multiply
   51,716.25x = 82,975.50 × 82,975.50
4. Step 4: Simplify right side
   51,716.25x = 6,884,933,600.25
5. Step 5: Solve for x
   x = 6,884,933,600.25/51,716.25
6. Step 6: Final answer
   x = 133,129.02