Finding the Third Proportional to 40,173.75 and 76,701.38

Step by Step Solution

1. Step 1: Write the proportion equation
   40,173.75 : 76,701.38 = 76,701.38 : x
2. Step 2: Convert to fraction form
   40,173.75/76,701.38 = 76,701.38/x
3. Step 3: Cross multiply
   40,173.75x = 76,701.38 × 76,701.38
4. Step 4: Simplify right side
   40,173.75x = 5,883,100,926.89
5. Step 5: Solve for x
   x = 5,883,100,926.89/40,173.75
6. Step 6: Final answer
   x = 146,441.42