Finding the Third Proportional to 905,576 and 1,225,504

Step by Step Solution

1. Step 1: Write the proportion equation
   905,576 : 1,225,504 = 1,225,504 : x
2. Step 2: Convert to fraction form
   905,576/1,225,504 = 1,225,504/x
3. Step 3: Cross multiply
   905,576x = 1,225,504 × 1,225,504
4. Step 4: Simplify right side
   905,576x = 1,501,860,054,016
5. Step 5: Solve for x
   x = 1,501,860,054,016/905,576
6. Step 6: Final answer
   x = 1,658,458.32