Finding the Third Proportional to 1,515,811 and 2,214,573

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,811 : 2,214,573 = 2,214,573 : x
2. Step 2: Convert to fraction form
   1,515,811/2,214,573 = 2,214,573/x
3. Step 3: Cross multiply
   1,515,811x = 2,214,573 × 2,214,573
4. Step 4: Simplify right side
   1,515,811x = 4,904,333,572,329
5. Step 5: Solve for x
   x = 4,904,333,572,329/1,515,811
6. Step 6: Final answer
   x = 3,235,451.89