Finding the Third Proportional to 2,115,411 and 3,222,704

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,411 : 3,222,704 = 3,222,704 : x
2. Step 2: Convert to fraction form
   2,115,411/3,222,704 = 3,222,704/x
3. Step 3: Cross multiply
   2,115,411x = 3,222,704 × 3,222,704
4. Step 4: Simplify right side
   2,115,411x = 10,385,821,071,616
5. Step 5: Solve for x
   x = 10,385,821,071,616/2,115,411
6. Step 6: Final answer
   x = 4,909,599.63