Finding the Third Proportional to 90,198.56 and 194,850.56

Step by Step Solution

1. Step 1: Write the proportion equation
   90,198.56 : 194,850.56 = 194,850.56 : x
2. Step 2: Convert to fraction form
   90,198.56/194,850.56 = 194,850.56/x
3. Step 3: Cross multiply
   90,198.56x = 194,850.56 × 194,850.56
4. Step 4: Simplify right side
   90,198.56x = 37,966,741,706.57
5. Step 5: Solve for x
   x = 37,966,741,706.57/90,198.56
6. Step 6: Final answer
   x = 420,924.02