Finding the Third Proportional to 814,216 and 1,736,639

Step by Step Solution

1. Step 1: Write the proportion equation
   814,216 : 1,736,639 = 1,736,639 : x
2. Step 2: Convert to fraction form
   814,216/1,736,639 = 1,736,639/x
3. Step 3: Cross multiply
   814,216x = 1,736,639 × 1,736,639
4. Step 4: Simplify right side
   814,216x = 3,015,915,016,321
5. Step 5: Solve for x
   x = 3,015,915,016,321/814,216
6. Step 6: Final answer
   x = 3,704,072.40