Finding the Third Proportional to 728,162 and 1,092,243

Step by Step Solution

1. Step 1: Write the proportion equation
   728,162 : 1,092,243 = 1,092,243 : x
2. Step 2: Convert to fraction form
   728,162/1,092,243 = 1,092,243/x
3. Step 3: Cross multiply
   728,162x = 1,092,243 × 1,092,243
4. Step 4: Simplify right side
   728,162x = 1,192,994,771,049
5. Step 5: Solve for x
   x = 1,192,994,771,049/728,162
6. Step 6: Final answer
   x = 1,638,364.50