Finding the Third Proportional to 51,681.75 and 73,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,681.75 : 73,147.50 = 73,147.50 : x
2. Step 2: Convert to fraction form
   51,681.75/73,147.50 = 73,147.50/x
3. Step 3: Cross multiply
   51,681.75x = 73,147.50 × 73,147.50
4. Step 4: Simplify right side
   51,681.75x = 5,350,556,756.25
5. Step 5: Solve for x
   x = 5,350,556,756.25/51,681.75
6. Step 6: Final answer
   x = 103,528.94