Finding the Third Proportional to 402,448 and 844,064

Step by Step Solution

1. Step 1: Write the proportion equation
   402,448 : 844,064 = 844,064 : x
2. Step 2: Convert to fraction form
   402,448/844,064 = 844,064/x
3. Step 3: Cross multiply
   402,448x = 844,064 × 844,064
4. Step 4: Simplify right side
   402,448x = 712,444,036,096
5. Step 5: Solve for x
   x = 712,444,036,096/402,448
6. Step 6: Final answer
   x = 1,770,276.00