Finding the Third Proportional to 9,428.91 and 15,007.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,428.91 : 15,007.78 = 15,007.78 : x
2. Step 2: Convert to fraction form
   9,428.91/15,007.78 = 15,007.78/x
3. Step 3: Cross multiply
   9,428.91x = 15,007.78 × 15,007.78
4. Step 4: Simplify right side
   9,428.91x = 225,233,498.05
5. Step 5: Solve for x
   x = 225,233,498.05/9,428.91
6. Step 6: Final answer
   x = 23,887.55