Finding the Third Proportional to 33,131.53 and 69,057.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,131.53 : 69,057.56 = 69,057.56 : x
2. Step 2: Convert to fraction form
   33,131.53/69,057.56 = 69,057.56/x
3. Step 3: Cross multiply
   33,131.53x = 69,057.56 × 69,057.56
4. Step 4: Simplify right side
   33,131.53x = 4,768,946,938.44
5. Step 5: Solve for x
   x = 4,768,946,938.44/33,131.53
6. Step 6: Final answer
   x = 143,939.83