Finding the Third Proportional to 19,986.19 and 28,873.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,986.19 : 28,873.69 = 28,873.69 : x
2. Step 2: Convert to fraction form
   19,986.19/28,873.69 = 28,873.69/x
3. Step 3: Cross multiply
   19,986.19x = 28,873.69 × 28,873.69
4. Step 4: Simplify right side
   19,986.19x = 833,689,829.85
5. Step 5: Solve for x
   x = 833,689,829.85/19,986.19
6. Step 6: Final answer
   x = 41,713.30