Finding the Third Proportional to 40,150.69 and 87,019.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,150.69 : 87,019.31 = 87,019.31 : x
2. Step 2: Convert to fraction form
   40,150.69/87,019.31 = 87,019.31/x
3. Step 3: Cross multiply
   40,150.69x = 87,019.31 × 87,019.31
4. Step 4: Simplify right side
   40,150.69x = 7,572,360,747.97
5. Step 5: Solve for x
   x = 7,572,360,747.97/40,150.69
6. Step 6: Final answer
   x = 188,598.53