Finding the Third Proportional to 16,890.50 and 39,097.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,890.50 : 39,097.50 = 39,097.50 : x
2. Step 2: Convert to fraction form
   16,890.50/39,097.50 = 39,097.50/x
3. Step 3: Cross multiply
   16,890.50x = 39,097.50 × 39,097.50
4. Step 4: Simplify right side
   16,890.50x = 1,528,614,506.25
5. Step 5: Solve for x
   x = 1,528,614,506.25/16,890.50
6. Step 6: Final answer
   x = 90,501.44