Finding the Third Proportional to 33,510.50 and 72,169.56

Step by Step Solution

1. Step 1: Write the proportion equation
   33,510.50 : 72,169.56 = 72,169.56 : x
2. Step 2: Convert to fraction form
   33,510.50/72,169.56 = 72,169.56/x
3. Step 3: Cross multiply
   33,510.50x = 72,169.56 × 72,169.56
4. Step 4: Simplify right side
   33,510.50x = 5,208,445,751.44
5. Step 5: Solve for x
   x = 5,208,445,751.44/33,510.50
6. Step 6: Final answer
   x = 155,427.28