Finding the Third Proportional to 42,945.75 and 87,104.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,945.75 : 87,104.25 = 87,104.25 : x
2. Step 2: Convert to fraction form
   42,945.75/87,104.25 = 87,104.25/x
3. Step 3: Cross multiply
   42,945.75x = 87,104.25 × 87,104.25
4. Step 4: Simplify right side
   42,945.75x = 7,587,150,368.06
5. Step 5: Solve for x
   x = 7,587,150,368.06/42,945.75
6. Step 6: Final answer
   x = 176,668.25