Finding the Third Proportional to 40,380.75 and 82,776.38

Step by Step Solution

1. Step 1: Write the proportion equation
   40,380.75 : 82,776.38 = 82,776.38 : x
2. Step 2: Convert to fraction form
   40,380.75/82,776.38 = 82,776.38/x
3. Step 3: Cross multiply
   40,380.75x = 82,776.38 × 82,776.38
4. Step 4: Simplify right side
   40,380.75x = 6,851,928,258.14
5. Step 5: Solve for x
   x = 6,851,928,258.14/40,380.75
6. Step 6: Final answer
   x = 169,683.04