Finding the Third Proportional to 127,162.50 and 196,590

Step by Step Solution

1. Step 1: Write the proportion equation
   127,162.50 : 196,590 = 196,590 : x
2. Step 2: Convert to fraction form
   127,162.50/196,590 = 196,590/x
3. Step 3: Cross multiply
   127,162.50x = 196,590 × 196,590
4. Step 4: Simplify right side
   127,162.50x = 38,647,628,100
5. Step 5: Solve for x
   x = 38,647,628,100/127,162.50
6. Step 6: Final answer
   x = 303,923.15