Finding the Third Proportional to 33,518.75 and 69,357.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,518.75 : 69,357.25 = 69,357.25 : x
2. Step 2: Convert to fraction form
   33,518.75/69,357.25 = 69,357.25/x
3. Step 3: Cross multiply
   33,518.75x = 69,357.25 × 69,357.25
4. Step 4: Simplify right side
   33,518.75x = 4,810,428,127.56
5. Step 5: Solve for x
   x = 4,810,428,127.56/33,518.75
6. Step 6: Final answer
   x = 143,514.54