Finding the Third Proportional to 54,014.63 and 81,768.38

Step by Step Solution

1. Step 1: Write the proportion equation
   54,014.63 : 81,768.38 = 81,768.38 : x
2. Step 2: Convert to fraction form
   54,014.63/81,768.38 = 81,768.38/x
3. Step 3: Cross multiply
   54,014.63x = 81,768.38 × 81,768.38
4. Step 4: Simplify right side
   54,014.63x = 6,686,067,150.14
5. Step 5: Solve for x
   x = 6,686,067,150.14/54,014.63
6. Step 6: Final answer
   x = 123,782.53