Finding the Third Proportional to 193,439 and 424,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   193,439 : 424,245.50 = 424,245.50 : x
2. Step 2: Convert to fraction form
   193,439/424,245.50 = 424,245.50/x
3. Step 3: Cross multiply
   193,439x = 424,245.50 × 424,245.50
4. Step 4: Simplify right side
   193,439x = 179,984,244,270.25
5. Step 5: Solve for x
   x = 179,984,244,270.25/193,439
6. Step 6: Final answer
   x = 930,444.45