Finding the Third Proportional to 9,485 and 19,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485 : 19,968.50 = 19,968.50 : x
2. Step 2: Convert to fraction form
   9,485/19,968.50 = 19,968.50/x
3. Step 3: Cross multiply
   9,485x = 19,968.50 × 19,968.50
4. Step 4: Simplify right side
   9,485x = 398,740,992.25
5. Step 5: Solve for x
   x = 398,740,992.25/9,485
6. Step 6: Final answer
   x = 42,039.11