Finding the Third Proportional to 35,709.75 and 73,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,709.75 : 73,057.50 = 73,057.50 : x
2. Step 2: Convert to fraction form
   35,709.75/73,057.50 = 73,057.50/x
3. Step 3: Cross multiply
   35,709.75x = 73,057.50 × 73,057.50
4. Step 4: Simplify right side
   35,709.75x = 5,337,398,306.25
5. Step 5: Solve for x
   x = 5,337,398,306.25/35,709.75
6. Step 6: Final answer
   x = 149,466.13