Finding the Third Proportional to 3,845.81 and 9,181.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,845.81 : 9,181.69 = 9,181.69 : x
2. Step 2: Convert to fraction form
   3,845.81/9,181.69 = 9,181.69/x
3. Step 3: Cross multiply
   3,845.81x = 9,181.69 × 9,181.69
4. Step 4: Simplify right side
   3,845.81x = 84,303,385.35
5. Step 5: Solve for x
   x = 84,303,385.35/3,845.81
6. Step 6: Final answer
   x = 21,920.83