Finding the Third Proportional to 5,043.94 and 9,964.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,043.94 : 9,964.69 = 9,964.69 : x
2. Step 2: Convert to fraction form
   5,043.94/9,964.69 = 9,964.69/x
3. Step 3: Cross multiply
   5,043.94x = 9,964.69 × 9,964.69
4. Step 4: Simplify right side
   5,043.94x = 99,294,996.97
5. Step 5: Solve for x
   x = 99,294,996.97/5,043.94
6. Step 6: Final answer
   x = 19,686.01