Finding the Third Proportional to 36,278.72 and 54,965.67

Step by Step Solution

1. Step 1: Write the proportion equation
   36,278.72 : 54,965.67 = 54,965.67 : x
2. Step 2: Convert to fraction form
   36,278.72/54,965.67 = 54,965.67/x
3. Step 3: Cross multiply
   36,278.72x = 54,965.67 × 54,965.67
4. Step 4: Simplify right side
   36,278.72x = 3,021,225,084.67
5. Step 5: Solve for x
   x = 3,021,225,084.67/36,278.72
6. Step 6: Final answer
   x = 83,278.16