Finding the Third Proportional to 33,388.88 and 71,961.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,388.88 : 71,961.75 = 71,961.75 : x
2. Step 2: Convert to fraction form
   33,388.88/71,961.75 = 71,961.75/x
3. Step 3: Cross multiply
   33,388.88x = 71,961.75 × 71,961.75
4. Step 4: Simplify right side
   33,388.88x = 5,178,493,463.06
5. Step 5: Solve for x
   x = 5,178,493,463.06/33,388.88
6. Step 6: Final answer
   x = 155,096.37