Finding the Third Proportional to 426,504 and 905,488

Step by Step Solution

1. Step 1: Write the proportion equation
   426,504 : 905,488 = 905,488 : x
2. Step 2: Convert to fraction form
   426,504/905,488 = 905,488/x
3. Step 3: Cross multiply
   426,504x = 905,488 × 905,488
4. Step 4: Simplify right side
   426,504x = 819,908,518,144
5. Step 5: Solve for x
   x = 819,908,518,144/426,504
6. Step 6: Final answer
   x = 1,922,393.50