Finding the Third Proportional to 30,993.50 and 67,747

Step by Step Solution

1. Step 1: Write the proportion equation
   30,993.50 : 67,747 = 67,747 : x
2. Step 2: Convert to fraction form
   30,993.50/67,747 = 67,747/x
3. Step 3: Cross multiply
   30,993.50x = 67,747 × 67,747
4. Step 4: Simplify right side
   30,993.50x = 4,589,656,009
5. Step 5: Solve for x
   x = 4,589,656,009/30,993.50
6. Step 6: Final answer
   x = 148,084.47