Finding the Third Proportional to 1,689,016 and 3,715,831

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,016 : 3,715,831 = 3,715,831 : x
2. Step 2: Convert to fraction form
   1,689,016/3,715,831 = 3,715,831/x
3. Step 3: Cross multiply
   1,689,016x = 3,715,831 × 3,715,831
4. Step 4: Simplify right side
   1,689,016x = 13,807,400,020,561
5. Step 5: Solve for x
   x = 13,807,400,020,561/1,689,016
6. Step 6: Final answer
   x = 8,174,818.96