Finding the Third Proportional to 9,435.75 and 19,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.75 : 19,789.50 = 19,789.50 : x
2. Step 2: Convert to fraction form
   9,435.75/19,789.50 = 19,789.50/x
3. Step 3: Cross multiply
   9,435.75x = 19,789.50 × 19,789.50
4. Step 4: Simplify right side
   9,435.75x = 391,624,310.25
5. Step 5: Solve for x
   x = 391,624,310.25/9,435.75
6. Step 6: Final answer
   x = 41,504.31