Finding the Third Proportional to 67,398 and 104,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,398 : 104,380.50 = 104,380.50 : x
2. Step 2: Convert to fraction form
   67,398/104,380.50 = 104,380.50/x
3. Step 3: Cross multiply
   67,398x = 104,380.50 × 104,380.50
4. Step 4: Simplify right side
   67,398x = 10,895,288,780.25
5. Step 5: Solve for x
   x = 10,895,288,780.25/67,398
6. Step 6: Final answer
   x = 161,655.97