Finding the Third Proportional to 16,615.13 and 19,085.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,615.13 : 19,085.63 = 19,085.63 : x
2. Step 2: Convert to fraction form
   16,615.13/19,085.63 = 19,085.63/x
3. Step 3: Cross multiply
   16,615.13x = 19,085.63 × 19,085.63
4. Step 4: Simplify right side
   16,615.13x = 364,261,081.64
5. Step 5: Solve for x
   x = 364,261,081.64/16,615.13
6. Step 6: Final answer
   x = 21,923.46