Finding the Third Proportional to 67,746 and 90,504

Step by Step Solution

1. Step 1: Write the proportion equation
   67,746 : 90,504 = 90,504 : x
2. Step 2: Convert to fraction form
   67,746/90,504 = 90,504/x
3. Step 3: Cross multiply
   67,746x = 90,504 × 90,504
4. Step 4: Simplify right side
   67,746x = 8,190,974,016
5. Step 5: Solve for x
   x = 8,190,974,016/67,746
6. Step 6: Final answer
   x = 120,907.12