Finding the Third Proportional to 195,436.50 and 428,277

Step by Step Solution

1. Step 1: Write the proportion equation
   195,436.50 : 428,277 = 428,277 : x
2. Step 2: Convert to fraction form
   195,436.50/428,277 = 428,277/x
3. Step 3: Cross multiply
   195,436.50x = 428,277 × 428,277
4. Step 4: Simplify right side
   195,436.50x = 183,421,188,729
5. Step 5: Solve for x
   x = 183,421,188,729/195,436.50
6. Step 6: Final answer
   x = 938,520.64