Finding the Third Proportional to 112,103.63 and 170,231.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,103.63 : 170,231.25 = 170,231.25 : x
2. Step 2: Convert to fraction form
   112,103.63/170,231.25 = 170,231.25/x
3. Step 3: Cross multiply
   112,103.63x = 170,231.25 × 170,231.25
4. Step 4: Simplify right side
   112,103.63x = 28,978,678,476.56
5. Step 5: Solve for x
   x = 28,978,678,476.56/112,103.63
6. Step 6: Final answer
   x = 258,499.03