Finding the Third Proportional to 3,598.59 and 7,811.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,598.59 : 7,811.86 = 7,811.86 : x
2. Step 2: Convert to fraction form
   3,598.59/7,811.86 = 7,811.86/x
3. Step 3: Cross multiply
   3,598.59x = 7,811.86 × 7,811.86
4. Step 4: Simplify right side
   3,598.59x = 61,025,146.89
5. Step 5: Solve for x
   x = 61,025,146.89/3,598.59
6. Step 6: Final answer
   x = 16,958.05