Finding the Third Proportional to 20,805 and 33,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,805 : 33,802.50 = 33,802.50 : x
2. Step 2: Convert to fraction form
   20,805/33,802.50 = 33,802.50/x
3. Step 3: Cross multiply
   20,805x = 33,802.50 × 33,802.50
4. Step 4: Simplify right side
   20,805x = 1,142,609,006.25
5. Step 5: Solve for x
   x = 1,142,609,006.25/20,805
6. Step 6: Final answer
   x = 54,919.92