Finding the Third Proportional to 21,231.07 and 43,383.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,231.07 : 43,383.52 = 43,383.52 : x
2. Step 2: Convert to fraction form
   21,231.07/43,383.52 = 43,383.52/x
3. Step 3: Cross multiply
   21,231.07x = 43,383.52 × 43,383.52
4. Step 4: Simplify right side
   21,231.07x = 1,882,129,427.98
5. Step 5: Solve for x
   x = 1,882,129,427.98/21,231.07
6. Step 6: Final answer
   x = 88,649.77