Finding the Third Proportional to 193,438 and 424,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,438 : 424,243.50 = 424,243.50 : x
2. Step 2: Convert to fraction form
   193,438/424,243.50 = 424,243.50/x
3. Step 3: Cross multiply
   193,438x = 424,243.50 × 424,243.50
4. Step 4: Simplify right side
   193,438x = 179,982,547,292.25
5. Step 5: Solve for x
   x = 179,982,547,292.25/193,438
6. Step 6: Final answer
   x = 930,440.49