Finding the Third Proportional to 428,404.50 and 930,557.25

Step by Step Solution

1. Step 1: Write the proportion equation
   428,404.50 : 930,557.25 = 930,557.25 : x
2. Step 2: Convert to fraction form
   428,404.50/930,557.25 = 930,557.25/x
3. Step 3: Cross multiply
   428,404.50x = 930,557.25 × 930,557.25
4. Step 4: Simplify right side
   428,404.50x = 865,936,795,527.56
5. Step 5: Solve for x
   x = 865,936,795,527.56/428,404.50
6. Step 6: Final answer
   x = 2,021,306.49