Finding the Third Proportional to 112,603.50 and 132,456.09

Step by Step Solution

1. Step 1: Write the proportion equation
   112,603.50 : 132,456.09 = 132,456.09 : x
2. Step 2: Convert to fraction form
   112,603.50/132,456.09 = 132,456.09/x
3. Step 3: Cross multiply
   112,603.50x = 132,456.09 × 132,456.09
4. Step 4: Simplify right side
   112,603.50x = 17,544,616,771.51
5. Step 5: Solve for x
   x = 17,544,616,771.51/112,603.50
6. Step 6: Final answer
   x = 155,808.80