Finding the Third Proportional to 51,351.75 and 76,683.38

Step by Step Solution

1. Step 1: Write the proportion equation
   51,351.75 : 76,683.38 = 76,683.38 : x
2. Step 2: Convert to fraction form
   51,351.75/76,683.38 = 76,683.38/x
3. Step 3: Cross multiply
   51,351.75x = 76,683.38 × 76,683.38
4. Step 4: Simplify right side
   51,351.75x = 5,880,340,001.39
5. Step 5: Solve for x
   x = 5,880,340,001.39/51,351.75
6. Step 6: Final answer
   x = 114,511.00