Finding the Third Proportional to 7,221.94 and 15,859.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,221.94 : 15,859.69 = 15,859.69 : x
2. Step 2: Convert to fraction form
   7,221.94/15,859.69 = 15,859.69/x
3. Step 3: Cross multiply
   7,221.94x = 15,859.69 × 15,859.69
4. Step 4: Simplify right side
   7,221.94x = 251,529,687.60
5. Step 5: Solve for x
   x = 251,529,687.60/7,221.94
6. Step 6: Final answer
   x = 34,828.56