Finding the Third Proportional to 30,508.50 and 73,407.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,508.50 : 73,407.75 = 73,407.75 : x
2. Step 2: Convert to fraction form
   30,508.50/73,407.75 = 73,407.75/x
3. Step 3: Cross multiply
   30,508.50x = 73,407.75 × 73,407.75
4. Step 4: Simplify right side
   30,508.50x = 5,388,697,760.06
5. Step 5: Solve for x
   x = 5,388,697,760.06/30,508.50
6. Step 6: Final answer
   x = 176,629.39