Finding the Third Proportional to 7,399.88 and 15,631.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,399.88 : 15,631.69 = 15,631.69 : x
2. Step 2: Convert to fraction form
   7,399.88/15,631.69 = 15,631.69/x
3. Step 3: Cross multiply
   7,399.88x = 15,631.69 × 15,631.69
4. Step 4: Simplify right side
   7,399.88x = 244,349,654.10
5. Step 5: Solve for x
   x = 244,349,654.10/7,399.88
6. Step 6: Final answer
   x = 33,020.78