Finding the Third Proportional to 67,386 and 105,393

Step by Step Solution

1. Step 1: Write the proportion equation
   67,386 : 105,393 = 105,393 : x
2. Step 2: Convert to fraction form
   67,386/105,393 = 105,393/x
3. Step 3: Cross multiply
   67,386x = 105,393 × 105,393
4. Step 4: Simplify right side
   67,386x = 11,107,684,449
5. Step 5: Solve for x
   x = 11,107,684,449/67,386
6. Step 6: Final answer
   x = 164,836.68