Finding the Third Proportional to 1,581,909 and 3,388,005

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,909 : 3,388,005 = 3,388,005 : x
2. Step 2: Convert to fraction form
   1,581,909/3,388,005 = 3,388,005/x
3. Step 3: Cross multiply
   1,581,909x = 3,388,005 × 3,388,005
4. Step 4: Simplify right side
   1,581,909x = 11,478,577,880,025
5. Step 5: Solve for x
   x = 11,478,577,880,025/1,581,909
6. Step 6: Final answer
   x = 7,256,155.62