Finding the Third Proportional to 1,517,257 and 3,174,769

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517,257 : 3,174,769 = 3,174,769 : x
2. Step 2: Convert to fraction form
   1,517,257/3,174,769 = 3,174,769/x
3. Step 3: Cross multiply
   1,517,257x = 3,174,769 × 3,174,769
4. Step 4: Simplify right side
   1,517,257x = 10,079,158,203,361
5. Step 5: Solve for x
   x = 10,079,158,203,361/1,517,257
6. Step 6: Final answer
   x = 6,643,013.15