Finding the Third Proportional to 33,808 and 69,980

Step by Step Solution

1. Step 1: Write the proportion equation
   33,808 : 69,980 = 69,980 : x
2. Step 2: Convert to fraction form
   33,808/69,980 = 69,980/x
3. Step 3: Cross multiply
   33,808x = 69,980 × 69,980
4. Step 4: Simplify right side
   33,808x = 4,897,200,400
5. Step 5: Solve for x
   x = 4,897,200,400/33,808
6. Step 6: Final answer
   x = 144,853.30