Finding the Third Proportional to 89,532 and 187,676

Step by Step Solution

1. Step 1: Write the proportion equation
   89,532 : 187,676 = 187,676 : x
2. Step 2: Convert to fraction form
   89,532/187,676 = 187,676/x
3. Step 3: Cross multiply
   89,532x = 187,676 × 187,676
4. Step 4: Simplify right side
   89,532x = 35,222,280,976
5. Step 5: Solve for x
   x = 35,222,280,976/89,532
6. Step 6: Final answer
   x = 393,404.38