Finding the Third Proportional to 9,486.84 and 20,818.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,486.84 : 20,818.83 = 20,818.83 : x
2. Step 2: Convert to fraction form
   9,486.84/20,818.83 = 20,818.83/x
3. Step 3: Cross multiply
   9,486.84x = 20,818.83 × 20,818.83
4. Step 4: Simplify right side
   9,486.84x = 433,423,604.50
5. Step 5: Solve for x
   x = 433,423,604.50/9,486.84
6. Step 6: Final answer
   x = 45,686.81