Finding the Third Proportional to 22,153.50 and 43,212.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,153.50 : 43,212.38 = 43,212.38 : x
2. Step 2: Convert to fraction form
   22,153.50/43,212.38 = 43,212.38/x
3. Step 3: Cross multiply
   22,153.50x = 43,212.38 × 43,212.38
4. Step 4: Simplify right side
   22,153.50x = 1,867,309,353.14
5. Step 5: Solve for x
   x = 1,867,309,353.14/22,153.50
6. Step 6: Final answer
   x = 84,289.59