Finding the Third Proportional to 3,643,844 and 5,436,326

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643,844 : 5,436,326 = 5,436,326 : x
2. Step 2: Convert to fraction form
   3,643,844/5,436,326 = 5,436,326/x
3. Step 3: Cross multiply
   3,643,844x = 5,436,326 × 5,436,326
4. Step 4: Simplify right side
   3,643,844x = 29,553,640,378,276
5. Step 5: Solve for x
   x = 29,553,640,378,276/3,643,844
6. Step 6: Final answer
   x = 8,110,566.86