Finding the Third Proportional to 67,887 and 105,715

Step by Step Solution

1. Step 1: Write the proportion equation
   67,887 : 105,715 = 105,715 : x
2. Step 2: Convert to fraction form
   67,887/105,715 = 105,715/x
3. Step 3: Cross multiply
   67,887x = 105,715 × 105,715
4. Step 4: Simplify right side
   67,887x = 11,175,661,225
5. Step 5: Solve for x
   x = 11,175,661,225/67,887
6. Step 6: Final answer
   x = 164,621.52