Finding the Third Proportional to 33,242.20 and 72,022.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,242.20 : 72,022.78 = 72,022.78 : x
2. Step 2: Convert to fraction form
   33,242.20/72,022.78 = 72,022.78/x
3. Step 3: Cross multiply
   33,242.20x = 72,022.78 × 72,022.78
4. Step 4: Simplify right side
   33,242.20x = 5,187,281,018.99
5. Step 5: Solve for x
   x = 5,187,281,018.99/33,242.20
6. Step 6: Final answer
   x = 156,045.04