Finding the Third Proportional to 817,906 and 1,241,556

Step by Step Solution

1. Step 1: Write the proportion equation
   817,906 : 1,241,556 = 1,241,556 : x
2. Step 2: Convert to fraction form
   817,906/1,241,556 = 1,241,556/x
3. Step 3: Cross multiply
   817,906x = 1,241,556 × 1,241,556
4. Step 4: Simplify right side
   817,906x = 1,541,461,301,136
5. Step 5: Solve for x
   x = 1,541,461,301,136/817,906
6. Step 6: Final answer
   x = 1,884,643.59