Finding the Third Proportional to 611,674 and 1,439,144

Step by Step Solution

1. Step 1: Write the proportion equation
   611,674 : 1,439,144 = 1,439,144 : x
2. Step 2: Convert to fraction form
   611,674/1,439,144 = 1,439,144/x
3. Step 3: Cross multiply
   611,674x = 1,439,144 × 1,439,144
4. Step 4: Simplify right side
   611,674x = 2,071,135,452,736
5. Step 5: Solve for x
   x = 2,071,135,452,736/611,674
6. Step 6: Final answer
   x = 3,386,011.92