Finding the Third Proportional to 30,801.75 and 67,496.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.75 : 67,496.25 = 67,496.25 : x
2. Step 2: Convert to fraction form
   30,801.75/67,496.25 = 67,496.25/x
3. Step 3: Cross multiply
   30,801.75x = 67,496.25 × 67,496.25
4. Step 4: Simplify right side
   30,801.75x = 4,555,743,764.06
5. Step 5: Solve for x
   x = 4,555,743,764.06/30,801.75
6. Step 6: Final answer
   x = 147,905.35