Finding the Third Proportional to 4,831.31 and 10,181.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,831.31 : 10,181.06 = 10,181.06 : x
2. Step 2: Convert to fraction form
   4,831.31/10,181.06 = 10,181.06/x
3. Step 3: Cross multiply
   4,831.31x = 10,181.06 × 10,181.06
4. Step 4: Simplify right side
   4,831.31x = 103,654,033.63
5. Step 5: Solve for x
   x = 103,654,033.63/4,831.31
6. Step 6: Final answer
   x = 21,454.63