Finding the Third Proportional to 611,683 and 1,439,166

Step by Step Solution

1. Step 1: Write the proportion equation
   611,683 : 1,439,166 = 1,439,166 : x
2. Step 2: Convert to fraction form
   611,683/1,439,166 = 1,439,166/x
3. Step 3: Cross multiply
   611,683x = 1,439,166 × 1,439,166
4. Step 4: Simplify right side
   611,683x = 2,071,198,775,556
5. Step 5: Solve for x
   x = 2,071,198,775,556/611,683
6. Step 6: Final answer
   x = 3,386,065.62