Finding the Third Proportional to 39,768.75 and 85,764.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,768.75 : 85,764.38 = 85,764.38 : x
2. Step 2: Convert to fraction form
   39,768.75/85,764.38 = 85,764.38/x
3. Step 3: Cross multiply
   39,768.75x = 85,764.38 × 85,764.38
4. Step 4: Simplify right side
   39,768.75x = 7,355,528,019.14
5. Step 5: Solve for x
   x = 7,355,528,019.14/39,768.75
6. Step 6: Final answer
   x = 184,957.49