Finding the Third Proportional to 67,315 and 105,606

Step by Step Solution

1. Step 1: Write the proportion equation
   67,315 : 105,606 = 105,606 : x
2. Step 2: Convert to fraction form
   67,315/105,606 = 105,606/x
3. Step 3: Cross multiply
   67,315x = 105,606 × 105,606
4. Step 4: Simplify right side
   67,315x = 11,152,627,236
5. Step 5: Solve for x
   x = 11,152,627,236/67,315
6. Step 6: Final answer
   x = 165,678.19