Finding the Third Proportional to 35,128.69 and 39,502.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,128.69 : 39,502.69 = 39,502.69 : x
2. Step 2: Convert to fraction form
   35,128.69/39,502.69 = 39,502.69/x
3. Step 3: Cross multiply
   35,128.69x = 39,502.69 × 39,502.69
4. Step 4: Simplify right side
   35,128.69x = 1,560,462,319.72
5. Step 5: Solve for x
   x = 1,560,462,319.72/35,128.69
6. Step 6: Final answer
   x = 44,421.31