Finding the Third Proportional to 419,548.50 and 905,436

Step by Step Solution

1. Step 1: Write the proportion equation
   419,548.50 : 905,436 = 905,436 : x
2. Step 2: Convert to fraction form
   419,548.50/905,436 = 905,436/x
3. Step 3: Cross multiply
   419,548.50x = 905,436 × 905,436
4. Step 4: Simplify right side
   419,548.50x = 819,814,350,096
5. Step 5: Solve for x
   x = 819,814,350,096/419,548.50
6. Step 6: Final answer
   x = 1,954,039.52