Finding the Third Proportional to 32,721.19 and 71,236.31

Step by Step Solution

1. Step 1: Write the proportion equation
   32,721.19 : 71,236.31 = 71,236.31 : x
2. Step 2: Convert to fraction form
   32,721.19/71,236.31 = 71,236.31/x
3. Step 3: Cross multiply
   32,721.19x = 71,236.31 × 71,236.31
4. Step 4: Simplify right side
   32,721.19x = 5,074,612,218.60
5. Step 5: Solve for x
   x = 5,074,612,218.60/32,721.19
6. Step 6: Final answer
   x = 155,086.43