Finding the Third Proportional to 13,863.66 and 21,719.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,863.66 : 21,719.81 = 21,719.81 : x
2. Step 2: Convert to fraction form
   13,863.66/21,719.81 = 21,719.81/x
3. Step 3: Cross multiply
   13,863.66x = 21,719.81 × 21,719.81
4. Step 4: Simplify right side
   13,863.66x = 471,750,255.04
5. Step 5: Solve for x
   x = 471,750,255.04/13,863.66
6. Step 6: Final answer
   x = 34,027.84