Finding the Third Proportional to 1,637,838 and 3,543,947

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,838 : 3,543,947 = 3,543,947 : x
2. Step 2: Convert to fraction form
   1,637,838/3,543,947 = 3,543,947/x
3. Step 3: Cross multiply
   1,637,838x = 3,543,947 × 3,543,947
4. Step 4: Simplify right side
   1,637,838x = 12,559,560,338,809
5. Step 5: Solve for x
   x = 12,559,560,338,809/1,637,838
6. Step 6: Final answer
   x = 7,668,377.67