Finding the Third Proportional to 90,399.16 and 194,402.95

Step by Step Solution

1. Step 1: Write the proportion equation
   90,399.16 : 194,402.95 = 194,402.95 : x
2. Step 2: Convert to fraction form
   90,399.16/194,402.95 = 194,402.95/x
3. Step 3: Cross multiply
   90,399.16x = 194,402.95 × 194,402.95
4. Step 4: Simplify right side
   90,399.16x = 37,792,508,183.72
5. Step 5: Solve for x
   x = 37,792,508,183.72/90,399.16
6. Step 6: Final answer
   x = 418,062.58