Finding the Third Proportional to 193,603.50 and 424,386

Step by Step Solution

1. Step 1: Write the proportion equation
   193,603.50 : 424,386 = 424,386 : x
2. Step 2: Convert to fraction form
   193,603.50/424,386 = 424,386/x
3. Step 3: Cross multiply
   193,603.50x = 424,386 × 424,386
4. Step 4: Simplify right side
   193,603.50x = 180,103,476,996
5. Step 5: Solve for x
   x = 180,103,476,996/193,603.50
6. Step 6: Final answer
   x = 930,269.74