Finding the Third Proportional to 8,084.81 and 12,907.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,084.81 : 12,907.69 = 12,907.69 : x
2. Step 2: Convert to fraction form
   8,084.81/12,907.69 = 12,907.69/x
3. Step 3: Cross multiply
   8,084.81x = 12,907.69 × 12,907.69
4. Step 4: Simplify right side
   8,084.81x = 166,608,396.60
5. Step 5: Solve for x
   x = 166,608,396.60/8,084.81
6. Step 6: Final answer
   x = 20,607.58