Finding the Third Proportional to 67,216.50 and 100,818

Step by Step Solution

1. Step 1: Write the proportion equation
   67,216.50 : 100,818 = 100,818 : x
2. Step 2: Convert to fraction form
   67,216.50/100,818 = 100,818/x
3. Step 3: Cross multiply
   67,216.50x = 100,818 × 100,818
4. Step 4: Simplify right side
   67,216.50x = 10,164,269,124
5. Step 5: Solve for x
   x = 10,164,269,124/67,216.50
6. Step 6: Final answer
   x = 151,216.88