Finding the Third Proportional to 1,216,708 and 2,816,599

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,708 : 2,816,599 = 2,816,599 : x
2. Step 2: Convert to fraction form
   1,216,708/2,816,599 = 2,816,599/x
3. Step 3: Cross multiply
   1,216,708x = 2,816,599 × 2,816,599
4. Step 4: Simplify right side
   1,216,708x = 7,933,229,926,801
5. Step 5: Solve for x
   x = 7,933,229,926,801/1,216,708
6. Step 6: Final answer
   x = 6,520,241.44