Finding the Third Proportional to 19,024.88 and 28,428.47

Step by Step Solution

1. Step 1: Write the proportion equation
   19,024.88 : 28,428.47 = 28,428.47 : x
2. Step 2: Convert to fraction form
   19,024.88/28,428.47 = 28,428.47/x
3. Step 3: Cross multiply
   19,024.88x = 28,428.47 × 28,428.47
4. Step 4: Simplify right side
   19,024.88x = 808,177,835.47
5. Step 5: Solve for x
   x = 808,177,835.47/19,024.88
6. Step 6: Final answer
   x = 42,480.06