Finding the Third Proportional to 30,958.63 and 67,850.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,958.63 : 67,850.38 = 67,850.38 : x
2. Step 2: Convert to fraction form
   30,958.63/67,850.38 = 67,850.38/x
3. Step 3: Cross multiply
   30,958.63x = 67,850.38 × 67,850.38
4. Step 4: Simplify right side
   30,958.63x = 4,603,673,387.64
5. Step 5: Solve for x
   x = 4,603,673,387.64/30,958.63
6. Step 6: Final answer
   x = 148,704.07