Finding the Third Proportional to 67,746 and 100,639.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,746 : 100,639.50 = 100,639.50 : x
2. Step 2: Convert to fraction form
   67,746/100,639.50 = 100,639.50/x
3. Step 3: Cross multiply
   67,746x = 100,639.50 × 100,639.50
4. Step 4: Simplify right side
   67,746x = 10,128,308,960.25
5. Step 5: Solve for x
   x = 10,128,308,960.25/67,746
6. Step 6: Final answer
   x = 149,504.16