Finding the Third Proportional to 9,984.94 and 11,017.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984.94 : 11,017.69 = 11,017.69 : x
2. Step 2: Convert to fraction form
   9,984.94/11,017.69 = 11,017.69/x
3. Step 3: Cross multiply
   9,984.94x = 11,017.69 × 11,017.69
4. Step 4: Simplify right side
   9,984.94x = 121,389,437.85
5. Step 5: Solve for x
   x = 121,389,437.85/9,984.94
6. Step 6: Final answer
   x = 12,157.26