Finding the Third Proportional to 70,920 and 145,494

Step by Step Solution

1. Step 1: Write the proportion equation
   70,920 : 145,494 = 145,494 : x
2. Step 2: Convert to fraction form
   70,920/145,494 = 145,494/x
3. Step 3: Cross multiply
   70,920x = 145,494 × 145,494
4. Step 4: Simplify right side
   70,920x = 21,168,504,036
5. Step 5: Solve for x
   x = 21,168,504,036/70,920
6. Step 6: Final answer
   x = 298,484.26