Finding the Third Proportional to 21,005.88 and 43,959.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,005.88 : 43,959.13 = 43,959.13 : x
2. Step 2: Convert to fraction form
   21,005.88/43,959.13 = 43,959.13/x
3. Step 3: Cross multiply
   21,005.88x = 43,959.13 × 43,959.13
4. Step 4: Simplify right side
   21,005.88x = 1,932,404,670.77
5. Step 5: Solve for x
   x = 1,932,404,670.77/21,005.88
6. Step 6: Final answer
   x = 91,993.53