Finding the Third Proportional to 93,304.50 and 199,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,304.50 : 199,919.50 = 199,919.50 : x
2. Step 2: Convert to fraction form
   93,304.50/199,919.50 = 199,919.50/x
3. Step 3: Cross multiply
   93,304.50x = 199,919.50 × 199,919.50
4. Step 4: Simplify right side
   93,304.50x = 39,967,806,480.25
5. Step 5: Solve for x
   x = 39,967,806,480.25/93,304.50
6. Step 6: Final answer
   x = 428,358.83