Finding the Third Proportional to 72,576.75 and 112,145.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,576.75 : 112,145.25 = 112,145.25 : x
2. Step 2: Convert to fraction form
   72,576.75/112,145.25 = 112,145.25/x
3. Step 3: Cross multiply
   72,576.75x = 112,145.25 × 112,145.25
4. Step 4: Simplify right side
   72,576.75x = 12,576,557,097.56
5. Step 5: Solve for x
   x = 12,576,557,097.56/72,576.75
6. Step 6: Final answer
   x = 173,286.31