Finding the Third Proportional to 45,103.50 and 80,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,103.50 : 80,365.50 = 80,365.50 : x
2. Step 2: Convert to fraction form
   45,103.50/80,365.50 = 80,365.50/x
3. Step 3: Cross multiply
   45,103.50x = 80,365.50 × 80,365.50
4. Step 4: Simplify right side
   45,103.50x = 6,458,613,590.25
5. Step 5: Solve for x
   x = 6,458,613,590.25/45,103.50
6. Step 6: Final answer
   x = 143,195.40