Finding the Third Proportional to 21,945 and 33,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,945 : 33,457.50 = 33,457.50 : x
2. Step 2: Convert to fraction form
   21,945/33,457.50 = 33,457.50/x
3. Step 3: Cross multiply
   21,945x = 33,457.50 × 33,457.50
4. Step 4: Simplify right side
   21,945x = 1,119,404,306.25
5. Step 5: Solve for x
   x = 1,119,404,306.25/21,945
6. Step 6: Final answer
   x = 51,009.54