Finding the Third Proportional to 19,159.88 and 28,621.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,159.88 : 28,621.69 = 28,621.69 : x
2. Step 2: Convert to fraction form
   19,159.88/28,621.69 = 28,621.69/x
3. Step 3: Cross multiply
   19,159.88x = 28,621.69 × 28,621.69
4. Step 4: Simplify right side
   19,159.88x = 819,200,995.35
5. Step 5: Solve for x
   x = 819,200,995.35/19,159.88
6. Step 6: Final answer
   x = 42,756.07