Finding the Third Proportional to 8,610.47 and 19,071.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,610.47 : 19,071.28 = 19,071.28 : x
2. Step 2: Convert to fraction form
   8,610.47/19,071.28 = 19,071.28/x
3. Step 3: Cross multiply
   8,610.47x = 19,071.28 × 19,071.28
4. Step 4: Simplify right side
   8,610.47x = 363,713,768.52
5. Step 5: Solve for x
   x = 363,713,768.52/8,610.47
6. Step 6: Final answer
   x = 42,240.88