Finding the Third Proportional to 853,222 and 1,843,280

Step by Step Solution

1. Step 1: Write the proportion equation
   853,222 : 1,843,280 = 1,843,280 : x
2. Step 2: Convert to fraction form
   853,222/1,843,280 = 1,843,280/x
3. Step 3: Cross multiply
   853,222x = 1,843,280 × 1,843,280
4. Step 4: Simplify right side
   853,222x = 3,397,681,158,400
5. Step 5: Solve for x
   x = 3,397,681,158,400/853,222
6. Step 6: Final answer
   x = 3,982,177.16