Finding the Third Proportional to 19,455.19 and 28,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,455.19 : 28,081.69 = 28,081.69 : x
2. Step 2: Convert to fraction form
   19,455.19/28,081.69 = 28,081.69/x
3. Step 3: Cross multiply
   19,455.19x = 28,081.69 × 28,081.69
4. Step 4: Simplify right side
   19,455.19x = 788,581,172.85
5. Step 5: Solve for x
   x = 788,581,172.85/19,455.19
6. Step 6: Final answer
   x = 40,533.21