Finding the Third Proportional to 50,739.75 and 72,119.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,739.75 : 72,119.25 = 72,119.25 : x
2. Step 2: Convert to fraction form
   50,739.75/72,119.25 = 72,119.25/x
3. Step 3: Cross multiply
   50,739.75x = 72,119.25 × 72,119.25
4. Step 4: Simplify right side
   50,739.75x = 5,201,186,220.56
5. Step 5: Solve for x
   x = 5,201,186,220.56/50,739.75
6. Step 6: Final answer
   x = 102,507.13