Finding the Third Proportional to 1,917,009 and 4,103,309

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,009 : 4,103,309 = 4,103,309 : x
2. Step 2: Convert to fraction form
   1,917,009/4,103,309 = 4,103,309/x
3. Step 3: Cross multiply
   1,917,009x = 4,103,309 × 4,103,309
4. Step 4: Simplify right side
   1,917,009x = 16,837,144,749,481
5. Step 5: Solve for x
   x = 16,837,144,749,481/1,917,009
6. Step 6: Final answer
   x = 8,783,028.54