Finding the Third Proportional to 33,491.25 and 72,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,491.25 : 72,240.50 = 72,240.50 : x
2. Step 2: Convert to fraction form
   33,491.25/72,240.50 = 72,240.50/x
3. Step 3: Cross multiply
   33,491.25x = 72,240.50 × 72,240.50
4. Step 4: Simplify right side
   33,491.25x = 5,218,689,840.25
5. Step 5: Solve for x
   x = 5,218,689,840.25/33,491.25
6. Step 6: Final answer
   x = 155,822.49