Finding the Third Proportional to 2,155,815 and 3,592,809

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,815 : 3,592,809 = 3,592,809 : x
2. Step 2: Convert to fraction form
   2,155,815/3,592,809 = 3,592,809/x
3. Step 3: Cross multiply
   2,155,815x = 3,592,809 × 3,592,809
4. Step 4: Simplify right side
   2,155,815x = 12,908,276,510,481
5. Step 5: Solve for x
   x = 12,908,276,510,481/2,155,815
6. Step 6: Final answer
   x = 5,987,655.02