Finding the Third Proportional to 38,538.28 and 54,993.94

Step by Step Solution

1. Step 1: Write the proportion equation
   38,538.28 : 54,993.94 = 54,993.94 : x
2. Step 2: Convert to fraction form
   38,538.28/54,993.94 = 54,993.94/x
3. Step 3: Cross multiply
   38,538.28x = 54,993.94 × 54,993.94
4. Step 4: Simplify right side
   38,538.28x = 3,024,333,161.75
5. Step 5: Solve for x
   x = 3,024,333,161.75/38,538.28
6. Step 6: Final answer
   x = 78,476.08