Finding the Third Proportional to 1,028,434 and 2,214,909

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,434 : 2,214,909 = 2,214,909 : x
2. Step 2: Convert to fraction form
   1,028,434/2,214,909 = 2,214,909/x
3. Step 3: Cross multiply
   1,028,434x = 2,214,909 × 2,214,909
4. Step 4: Simplify right side
   1,028,434x = 4,905,821,878,281
5. Step 5: Solve for x
   x = 4,905,821,878,281/1,028,434
6. Step 6: Final answer
   x = 4,770,186.40