Finding the Third Proportional to 816,556 and 1,225,650

Step by Step Solution

1. Step 1: Write the proportion equation
   816,556 : 1,225,650 = 1,225,650 : x
2. Step 2: Convert to fraction form
   816,556/1,225,650 = 1,225,650/x
3. Step 3: Cross multiply
   816,556x = 1,225,650 × 1,225,650
4. Step 4: Simplify right side
   816,556x = 1,502,217,922,500
5. Step 5: Solve for x
   x = 1,502,217,922,500/816,556
6. Step 6: Final answer
   x = 1,839,699.82