Finding the Third Proportional to 21,696 and 43,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,696 : 43,996.50 = 43,996.50 : x
2. Step 2: Convert to fraction form
   21,696/43,996.50 = 43,996.50/x
3. Step 3: Cross multiply
   21,696x = 43,996.50 × 43,996.50
4. Step 4: Simplify right side
   21,696x = 1,935,692,012.25
5. Step 5: Solve for x
   x = 1,935,692,012.25/21,696
6. Step 6: Final answer
   x = 89,218.84