Finding the Third Proportional to 32,190.75 and 67,321.13

Step by Step Solution

1. Step 1: Write the proportion equation
   32,190.75 : 67,321.13 = 67,321.13 : x
2. Step 2: Convert to fraction form
   32,190.75/67,321.13 = 67,321.13/x
3. Step 3: Cross multiply
   32,190.75x = 67,321.13 × 67,321.13
4. Step 4: Simplify right side
   32,190.75x = 4,532,133,871.27
5. Step 5: Solve for x
   x = 4,532,133,871.27/32,190.75
6. Step 6: Final answer
   x = 140,789.94