Finding the Third Proportional to 67,128 and 100,541.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,128 : 100,541.25 = 100,541.25 : x
2. Step 2: Convert to fraction form
   67,128/100,541.25 = 100,541.25/x
3. Step 3: Cross multiply
   67,128x = 100,541.25 × 100,541.25
4. Step 4: Simplify right side
   67,128x = 10,108,542,951.56
5. Step 5: Solve for x
   x = 10,108,542,951.56/67,128
6. Step 6: Final answer
   x = 150,586.09