Finding the Third Proportional to 50,585.50 and 72,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,585.50 : 72,865.50 = 72,865.50 : x
2. Step 2: Convert to fraction form
   50,585.50/72,865.50 = 72,865.50/x
3. Step 3: Cross multiply
   50,585.50x = 72,865.50 × 72,865.50
4. Step 4: Simplify right side
   50,585.50x = 5,309,381,090.25
5. Step 5: Solve for x
   x = 5,309,381,090.25/50,585.50
6. Step 6: Final answer
   x = 104,958.56