Finding the Third Proportional to 67,761 and 100,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,761 : 100,660.50 = 100,660.50 : x
2. Step 2: Convert to fraction form
   67,761/100,660.50 = 100,660.50/x
3. Step 3: Cross multiply
   67,761x = 100,660.50 × 100,660.50
4. Step 4: Simplify right side
   67,761x = 10,132,536,260.25
5. Step 5: Solve for x
   x = 10,132,536,260.25/67,761
6. Step 6: Final answer
   x = 149,533.45