Finding the Third Proportional to 90,996 and 186,450

Step by Step Solution

1. Step 1: Write the proportion equation
   90,996 : 186,450 = 186,450 : x
2. Step 2: Convert to fraction form
   90,996/186,450 = 186,450/x
3. Step 3: Cross multiply
   90,996x = 186,450 × 186,450
4. Step 4: Simplify right side
   90,996x = 34,763,602,500
5. Step 5: Solve for x
   x = 34,763,602,500/90,996
6. Step 6: Final answer
   x = 382,034.40