Finding the Third Proportional to 89,242 and 194,036

Step by Step Solution

1. Step 1: Write the proportion equation
   89,242 : 194,036 = 194,036 : x
2. Step 2: Convert to fraction form
   89,242/194,036 = 194,036/x
3. Step 3: Cross multiply
   89,242x = 194,036 × 194,036
4. Step 4: Simplify right side
   89,242x = 37,649,969,296
5. Step 5: Solve for x
   x = 37,649,969,296/89,242
6. Step 6: Final answer
   x = 421,886.21