Finding the Third Proportional to 3,672.84 and 8,659.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.84 : 8,659.41 = 8,659.41 : x
2. Step 2: Convert to fraction form
   3,672.84/8,659.41 = 8,659.41/x
3. Step 3: Cross multiply
   3,672.84x = 8,659.41 × 8,659.41
4. Step 4: Simplify right side
   3,672.84x = 74,985,316.60
5. Step 5: Solve for x
   x = 74,985,316.60/3,672.84
6. Step 6: Final answer
   x = 20,416.15