Finding the Third Proportional to 33,090.75 and 72,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,090.75 : 72,013.50 = 72,013.50 : x
2. Step 2: Convert to fraction form
   33,090.75/72,013.50 = 72,013.50/x
3. Step 3: Cross multiply
   33,090.75x = 72,013.50 × 72,013.50
4. Step 4: Simplify right side
   33,090.75x = 5,185,944,182.25
5. Step 5: Solve for x
   x = 5,185,944,182.25/33,090.75
6. Step 6: Final answer
   x = 156,718.85