Finding the Third Proportional to 18,501.75 and 39,958.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,501.75 : 39,958.88 = 39,958.88 : x
2. Step 2: Convert to fraction form
   18,501.75/39,958.88 = 39,958.88/x
3. Step 3: Cross multiply
   18,501.75x = 39,958.88 × 39,958.88
4. Step 4: Simplify right side
   18,501.75x = 1,596,711,691.27
5. Step 5: Solve for x
   x = 1,596,711,691.27/18,501.75
6. Step 6: Final answer
   x = 86,300.58