Finding the Third Proportional to 3,642.25 and 7,803.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.25 : 7,803.75 = 7,803.75 : x
2. Step 2: Convert to fraction form
   3,642.25/7,803.75 = 7,803.75/x
3. Step 3: Cross multiply
   3,642.25x = 7,803.75 × 7,803.75
4. Step 4: Simplify right side
   3,642.25x = 60,898,514.06
5. Step 5: Solve for x
   x = 60,898,514.06/3,642.25
6. Step 6: Final answer
   x = 16,720.03