Finding the Third Proportional to 8,632 and 18,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632 : 18,357.50 = 18,357.50 : x
2. Step 2: Convert to fraction form
   8,632/18,357.50 = 18,357.50/x
3. Step 3: Cross multiply
   8,632x = 18,357.50 × 18,357.50
4. Step 4: Simplify right side
   8,632x = 336,997,806.25
5. Step 5: Solve for x
   x = 336,997,806.25/8,632
6. Step 6: Final answer
   x = 39,040.52