Finding the Third Proportional to 9,655.88 and 20,456.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,655.88 : 20,456.51 = 20,456.51 : x
2. Step 2: Convert to fraction form
   9,655.88/20,456.51 = 20,456.51/x
3. Step 3: Cross multiply
   9,655.88x = 20,456.51 × 20,456.51
4. Step 4: Simplify right side
   9,655.88x = 418,468,711.88
5. Step 5: Solve for x
   x = 418,468,711.88/9,655.88
6. Step 6: Final answer
   x = 43,338.25