Finding the Third Proportional to 30,926.50 and 67,469

Step by Step Solution

1. Step 1: Write the proportion equation
   30,926.50 : 67,469 = 67,469 : x
2. Step 2: Convert to fraction form
   30,926.50/67,469 = 67,469/x
3. Step 3: Cross multiply
   30,926.50x = 67,469 × 67,469
4. Step 4: Simplify right side
   30,926.50x = 4,552,065,961
5. Step 5: Solve for x
   x = 4,552,065,961/30,926.50
6. Step 6: Final answer
   x = 147,189.82