Finding the Third Proportional to 4,664.81 and 10,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,664.81 : 10,081.69 = 10,081.69 : x
2. Step 2: Convert to fraction form
   4,664.81/10,081.69 = 10,081.69/x
3. Step 3: Cross multiply
   4,664.81x = 10,081.69 × 10,081.69
4. Step 4: Simplify right side
   4,664.81x = 101,640,422.85
5. Step 5: Solve for x
   x = 101,640,422.85/4,664.81
6. Step 6: Final answer
   x = 21,788.75