Finding the Third Proportional to 756,781 and 1,616,378

Step by Step Solution

1. Step 1: Write the proportion equation
   756,781 : 1,616,378 = 1,616,378 : x
2. Step 2: Convert to fraction form
   756,781/1,616,378 = 1,616,378/x
3. Step 3: Cross multiply
   756,781x = 1,616,378 × 1,616,378
4. Step 4: Simplify right side
   756,781x = 2,612,677,838,884
5. Step 5: Solve for x
   x = 2,612,677,838,884/756,781
6. Step 6: Final answer
   x = 3,452,356.55