Finding the Third Proportional to 9,151.88 and 19,974.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.88 : 19,974.38 = 19,974.38 : x
2. Step 2: Convert to fraction form
   9,151.88/19,974.38 = 19,974.38/x
3. Step 3: Cross multiply
   9,151.88x = 19,974.38 × 19,974.38
4. Step 4: Simplify right side
   9,151.88x = 398,975,656.64
5. Step 5: Solve for x
   x = 398,975,656.64/9,151.88
6. Step 6: Final answer
   x = 43,594.96