Finding the Third Proportional to 51,497.25 and 79,696.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,497.25 : 79,696.50 = 79,696.50 : x
2. Step 2: Convert to fraction form
   51,497.25/79,696.50 = 79,696.50/x
3. Step 3: Cross multiply
   51,497.25x = 79,696.50 × 79,696.50
4. Step 4: Simplify right side
   51,497.25x = 6,351,532,112.25
5. Step 5: Solve for x
   x = 6,351,532,112.25/51,497.25
6. Step 6: Final answer
   x = 123,337.31