Finding the Third Proportional to 3,643,842 and 5,436,323

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643,842 : 5,436,323 = 5,436,323 : x
2. Step 2: Convert to fraction form
   3,643,842/5,436,323 = 5,436,323/x
3. Step 3: Cross multiply
   3,643,842x = 5,436,323 × 5,436,323
4. Step 4: Simplify right side
   3,643,842x = 29,553,607,760,329
5. Step 5: Solve for x
   x = 29,553,607,760,329/3,643,842
6. Step 6: Final answer
   x = 8,110,562.36