Finding the Third Proportional to 7,783.61 and 16,121.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,783.61 : 16,121.03 = 16,121.03 : x
2. Step 2: Convert to fraction form
   7,783.61/16,121.03 = 16,121.03/x
3. Step 3: Cross multiply
   7,783.61x = 16,121.03 × 16,121.03
4. Step 4: Simplify right side
   7,783.61x = 259,887,648.56
5. Step 5: Solve for x
   x = 259,887,648.56/7,783.61
6. Step 6: Final answer
   x = 33,389.09