Finding the Third Proportional to 1,513,792 and 3,223,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,792 : 3,223,780 = 3,223,780 : x
2. Step 2: Convert to fraction form
   1,513,792/3,223,780 = 3,223,780/x
3. Step 3: Cross multiply
   1,513,792x = 3,223,780 × 3,223,780
4. Step 4: Simplify right side
   1,513,792x = 10,392,757,488,400
5. Step 5: Solve for x
   x = 10,392,757,488,400/1,513,792
6. Step 6: Final answer
   x = 6,865,380.11