Finding the Third Proportional to 9,199.69 and 19,924.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,199.69 : 19,924.88 = 19,924.88 : x
2. Step 2: Convert to fraction form
   9,199.69/19,924.88 = 19,924.88/x
3. Step 3: Cross multiply
   9,199.69x = 19,924.88 × 19,924.88
4. Step 4: Simplify right side
   9,199.69x = 397,000,643.77
5. Step 5: Solve for x
   x = 397,000,643.77/9,199.69
6. Step 6: Final answer
   x = 43,153.71