Finding the Third Proportional to 683,136 and 1,020,888

Step by Step Solution

1. Step 1: Write the proportion equation
   683,136 : 1,020,888 = 1,020,888 : x
2. Step 2: Convert to fraction form
   683,136/1,020,888 = 1,020,888/x
3. Step 3: Cross multiply
   683,136x = 1,020,888 × 1,020,888
4. Step 4: Simplify right side
   683,136x = 1,042,212,308,544
5. Step 5: Solve for x
   x = 1,042,212,308,544/683,136
6. Step 6: Final answer
   x = 1,525,629.32