Finding the Third Proportional to 41,965.50 and 81,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,965.50 : 81,805.50 = 81,805.50 : x
2. Step 2: Convert to fraction form
   41,965.50/81,805.50 = 81,805.50/x
3. Step 3: Cross multiply
   41,965.50x = 81,805.50 × 81,805.50
4. Step 4: Simplify right side
   41,965.50x = 6,692,139,830.25
5. Step 5: Solve for x
   x = 6,692,139,830.25/41,965.50
6. Step 6: Final answer
   x = 159,467.65