Finding the Third Proportional to 67,384 and 105,390

Step by Step Solution

1. Step 1: Write the proportion equation
   67,384 : 105,390 = 105,390 : x
2. Step 2: Convert to fraction form
   67,384/105,390 = 105,390/x
3. Step 3: Cross multiply
   67,384x = 105,390 × 105,390
4. Step 4: Simplify right side
   67,384x = 11,107,052,100
5. Step 5: Solve for x
   x = 11,107,052,100/67,384
6. Step 6: Final answer
   x = 164,832.19