Finding the Third Proportional to 33,389.50 and 68,016

Step by Step Solution

1. Step 1: Write the proportion equation
   33,389.50 : 68,016 = 68,016 : x
2. Step 2: Convert to fraction form
   33,389.50/68,016 = 68,016/x
3. Step 3: Cross multiply
   33,389.50x = 68,016 × 68,016
4. Step 4: Simplify right side
   33,389.50x = 4,626,176,256
5. Step 5: Solve for x
   x = 4,626,176,256/33,389.50
6. Step 6: Final answer
   x = 138,551.83