Finding the Third Proportional to 33,549.19 and 72,679.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,549.19 : 72,679.78 = 72,679.78 : x
2. Step 2: Convert to fraction form
   33,549.19/72,679.78 = 72,679.78/x
3. Step 3: Cross multiply
   33,549.19x = 72,679.78 × 72,679.78
4. Step 4: Simplify right side
   33,549.19x = 5,282,350,602.55
5. Step 5: Solve for x
   x = 5,282,350,602.55/33,549.19
6. Step 6: Final answer
   x = 157,450.92