Finding the Third Proportional to 19,018.88 and 28,531.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,018.88 : 28,531.88 = 28,531.88 : x
2. Step 2: Convert to fraction form
   19,018.88/28,531.88 = 28,531.88/x
3. Step 3: Cross multiply
   19,018.88x = 28,531.88 × 28,531.88
4. Step 4: Simplify right side
   19,018.88x = 814,067,891.02
5. Step 5: Solve for x
   x = 814,067,891.02/19,018.88
6. Step 6: Final answer
   x = 42,803.16