Finding the Third Proportional to 40,805 and 57,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,805 : 57,764.50 = 57,764.50 : x
2. Step 2: Convert to fraction form
   40,805/57,764.50 = 57,764.50/x
3. Step 3: Cross multiply
   40,805x = 57,764.50 × 57,764.50
4. Step 4: Simplify right side
   40,805x = 3,336,737,460.25
5. Step 5: Solve for x
   x = 3,336,737,460.25/40,805
6. Step 6: Final answer
   x = 81,772.76