Finding the Third Proportional to 19,617.19 and 28,285.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,617.19 : 28,285.88 = 28,285.88 : x
2. Step 2: Convert to fraction form
   19,617.19/28,285.88 = 28,285.88/x
3. Step 3: Cross multiply
   19,617.19x = 28,285.88 × 28,285.88
4. Step 4: Simplify right side
   19,617.19x = 800,090,724.52
5. Step 5: Solve for x
   x = 800,090,724.52/19,617.19
6. Step 6: Final answer
   x = 40,785.19