Finding the Third Proportional to 19,118.25 and 28,577.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,118.25 : 28,577.25 = 28,577.25 : x
2. Step 2: Convert to fraction form
   19,118.25/28,577.25 = 28,577.25/x
3. Step 3: Cross multiply
   19,118.25x = 28,577.25 × 28,577.25
4. Step 4: Simplify right side
   19,118.25x = 816,659,217.56
5. Step 5: Solve for x
   x = 816,659,217.56/19,118.25
6. Step 6: Final answer
   x = 42,716.21