Finding the Third Proportional to 30,673.69 and 66,900.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,673.69 : 66,900.94 = 66,900.94 : x
2. Step 2: Convert to fraction form
   30,673.69/66,900.94 = 66,900.94/x
3. Step 3: Cross multiply
   30,673.69x = 66,900.94 × 66,900.94
4. Step 4: Simplify right side
   30,673.69x = 4,475,735,438.38
5. Step 5: Solve for x
   x = 4,475,735,438.38/30,673.69
6. Step 6: Final answer
   x = 145,914.49