Finding the Third Proportional to 33,199.88 and 71,719.17

Step by Step Solution

1. Step 1: Write the proportion equation
   33,199.88 : 71,719.17 = 71,719.17 : x
2. Step 2: Convert to fraction form
   33,199.88/71,719.17 = 71,719.17/x
3. Step 3: Cross multiply
   33,199.88x = 71,719.17 × 71,719.17
4. Step 4: Simplify right side
   33,199.88x = 5,143,639,614.44
5. Step 5: Solve for x
   x = 5,143,639,614.44/33,199.88
6. Step 6: Final answer
   x = 154,929.49