Finding the Third Proportional to 40,686 and 73,594.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,686 : 73,594.50 = 73,594.50 : x
2. Step 2: Convert to fraction form
   40,686/73,594.50 = 73,594.50/x
3. Step 3: Cross multiply
   40,686x = 73,594.50 × 73,594.50
4. Step 4: Simplify right side
   40,686x = 5,416,150,430.25
5. Step 5: Solve for x
   x = 5,416,150,430.25/40,686
6. Step 6: Final answer
   x = 133,120.74