Finding the Third Proportional to 33,072.68 and 72,478.55

Step by Step Solution

1. Step 1: Write the proportion equation
   33,072.68 : 72,478.55 = 72,478.55 : x
2. Step 2: Convert to fraction form
   33,072.68/72,478.55 = 72,478.55/x
3. Step 3: Cross multiply
   33,072.68x = 72,478.55 × 72,478.55
4. Step 4: Simplify right side
   33,072.68x = 5,253,139,757.11
5. Step 5: Solve for x
   x = 5,253,139,757.11/33,072.68
6. Step 6: Final answer
   x = 158,836.23