Finding the Third Proportional to 21,004.31 and 43,956

Step by Step Solution

1. Step 1: Write the proportion equation
   21,004.31 : 43,956 = 43,956 : x
2. Step 2: Convert to fraction form
   21,004.31/43,956 = 43,956/x
3. Step 3: Cross multiply
   21,004.31x = 43,956 × 43,956
4. Step 4: Simplify right side
   21,004.31x = 1,932,129,936
5. Step 5: Solve for x
   x = 1,932,129,936/21,004.31
6. Step 6: Final answer
   x = 91,987.30