Finding the Third Proportional to 89,192 and 122,280

Step by Step Solution

1. Step 1: Write the proportion equation
   89,192 : 122,280 = 122,280 : x
2. Step 2: Convert to fraction form
   89,192/122,280 = 122,280/x
3. Step 3: Cross multiply
   89,192x = 122,280 × 122,280
4. Step 4: Simplify right side
   89,192x = 14,952,398,400
5. Step 5: Solve for x
   x = 14,952,398,400/89,192
6. Step 6: Final answer
   x = 167,642.82