Finding the Third Proportional to 48,507.75 and 72,942.75

Step by Step Solution

1. Step 1: Write the proportion equation
   48,507.75 : 72,942.75 = 72,942.75 : x
2. Step 2: Convert to fraction form
   48,507.75/72,942.75 = 72,942.75/x
3. Step 3: Cross multiply
   48,507.75x = 72,942.75 × 72,942.75
4. Step 4: Simplify right side
   48,507.75x = 5,320,644,777.56
5. Step 5: Solve for x
   x = 5,320,644,777.56/48,507.75
6. Step 6: Final answer
   x = 109,686.49