Finding the Third Proportional to 32,805 and 71,991.60

Step by Step Solution

1. Step 1: Write the proportion equation
   32,805 : 71,991.60 = 71,991.60 : x
2. Step 2: Convert to fraction form
   32,805/71,991.60 = 71,991.60/x
3. Step 3: Cross multiply
   32,805x = 71,991.60 × 71,991.60
4. Step 4: Simplify right side
   32,805x = 5,182,790,133.10
5. Step 5: Solve for x
   x = 5,182,790,133.10/32,805
6. Step 6: Final answer
   x = 157,987.81