Finding the Third Proportional to 80,472 and 118,280

Step by Step Solution

1. Step 1: Write the proportion equation
   80,472 : 118,280 = 118,280 : x
2. Step 2: Convert to fraction form
   80,472/118,280 = 118,280/x
3. Step 3: Cross multiply
   80,472x = 118,280 × 118,280
4. Step 4: Simplify right side
   80,472x = 13,990,158,400
5. Step 5: Solve for x
   x = 13,990,158,400/80,472
6. Step 6: Final answer
   x = 173,851.26