Finding the Third Proportional to 89,418 and 186,182

Step by Step Solution

1. Step 1: Write the proportion equation
   89,418 : 186,182 = 186,182 : x
2. Step 2: Convert to fraction form
   89,418/186,182 = 186,182/x
3. Step 3: Cross multiply
   89,418x = 186,182 × 186,182
4. Step 4: Simplify right side
   89,418x = 34,663,737,124
5. Step 5: Solve for x
   x = 34,663,737,124/89,418
6. Step 6: Final answer
   x = 387,659.50