Finding the Third Proportional to 765,569 and 1,671,216

Step by Step Solution

1. Step 1: Write the proportion equation
   765,569 : 1,671,216 = 1,671,216 : x
2. Step 2: Convert to fraction form
   765,569/1,671,216 = 1,671,216/x
3. Step 3: Cross multiply
   765,569x = 1,671,216 × 1,671,216
4. Step 4: Simplify right side
   765,569x = 2,792,962,918,656
5. Step 5: Solve for x
   x = 2,792,962,918,656/765,569
6. Step 6: Final answer
   x = 3,648,218.41